TWI786582B - Electronic device and optical spectral broadening and compression device thereof - Google Patents

Abstract

An electronic device and an optical spectral broadening and compression device thereof are provided. The optical spectral broadening and compression device includes a laser light generating module, a first optical module, a spectral broadening assembly, a second optical module, a pulse compression group and a retroreflection module. The spectral broadening assembly includes a first spectral broadening module and a second spectral broadening module. The pulse compression group includes a first pulse compression assembly and a second pulse compression assembly. Therefore, a laser light beam generated by the laser light generating module can sequentially pass through the first optical module served as a first focusing module, the first spectral broadening module, the second optical module served as a first collimating module, the first pulse compression assembly, the retroreflection module, the first pulse compression assembly, the second optical module served as a second focusing module, the second spectral broadening module, and the cooperation of the first optical module served as a second collimating module and the second pulse compression assembly, and form a projection light beam that projects on the outside of the optical spectral broadening and compression device.

Description

Electronic equipment and its optical spread spectrum and compression device

The invention relates to an electronic device and a laser light generating device thereof, in particular to an optical spreading and compressing device and an electronic device using the optical spreading and compressing device.

The laser light source has a wide range of uses, but most of the laser light source is provided as a light source without optical processing.

The technical problem to be solved by the present invention is to provide an electronic device and its optical spread spectrum and compression device for the deficiencies of the prior art.

In order to solve the above-mentioned technical problems, one of the technical solutions adopted by the present invention is to provide an optical spread spectrum and compression device, which includes: a laser light generating module, a first optical module, a spectrum broadening component, a The second optical module, a pulse compression group and a retroreflection module. The laser light generating module is used for providing a laser beam. The first optical module is used for allowing the laser beam to pass through the reflection of the first optical module to form a first focused beam. The spectral broadening component includes a first spectral broadening module and a second spectral broadening module, and the first spectral broadening module is used to allow the first focused beam to pass through the first spectral broadening module to form a first spectral broadening beam . The second optical module is used for allowing the first spectrally broadened beam to pass through the reflection of the second optical module to form a first collimated beam. The pulse compression group includes a first pulse compression component and a second pulse compression component, and the first pulse compression component is used for making the first collimated beam pass through the compression of the first pulse compression component to form a first pulse compression beam. The retro-reflection module is used for allowing the first pulse-compressed beam to be reflected by the retro-reflection module to form a retro-reflection beam. Wherein, the first pulse compression component is used for allowing the retroreflected beam to pass through the compression of the first pulse compression component to form a second pulse compression beam. Wherein, the second optical module is used for allowing the second pulse-compressed light beam to pass through the reflection of the second optical module to form a second focused light beam. Wherein, the second spectrum broadening module is used for allowing the second focused beam to pass through the second spectrum broadening module to form a second spectrum broadening beam. Wherein, the first optical module is used for allowing the second spectrally broadened light beam to pass through the reflection of the first optical module to form a second collimated light beam. Wherein, the second pulse compression component is used for allowing the second collimated beam to be compressed by the second pulse compression component to form a third pulse compression beam.

In order to solve the above-mentioned technical problems, another technical solution adopted by the present invention is to provide an optical spread spectrum and compression device, which includes: a laser light generating module, a first optical module, a spectrum broadening component, a The second optical module, a pulse compression group and a retroreflective module, and the laser light generation module, the first optical module, the spectrum broadening component, the second optical module, the pulse compression group and the retroreflective module set on the same optical path. Wherein, the spectrum stretching component includes a first spectrum stretching module and a second spectrum stretching module, and the pulse compression group includes a first pulse compression component and a second pulse compression component. Wherein, a laser beam generated by the laser light generation module passes through the first optical module, the first spectral broadening module, and the first collimator used as a first focusing module in sequence. The second optical module used as a module, the first pulse compression component, the retroreflective module, the first pulse compression component, the second optical module used as a second focusing module, and the second spectral broadening The module, the first optical module used as a second collimation module and the second pulse compression component cooperate to form a projection beam projected to the outside of the optical spread spectrum and compression device.

In order to solve the above-mentioned technical problems, another technical solution adopted by the present invention is to provide an electronic device, which uses an optical spread spectrum and compression device, which is characterized in that the optical spread spectrum and compression device includes: a The emitted light generation module, a first optical module, a spectral broadening component, a second optical module, a pulse compression group and a retroreflection module. The laser light generating module is used for providing a laser beam. The first optical module is used for allowing the laser beam to pass through the reflection of the first optical module to form a first focused beam. The spectral broadening component includes a first spectral broadening module and a second spectral broadening module, and the first spectral broadening module is used to allow the first focused beam to pass through the first spectral broadening module to form a first spectral broadening beam . The second optical module is used for allowing the first spectrally broadened beam to pass through the reflection of the second optical module to form a first collimated beam. The pulse compression group includes a first pulse compression component and a second pulse compression component, and the first pulse compression component is used for making the first collimated beam pass through the compression of the first pulse compression component to form a first pulse compression beam. The retro-reflection module is used for allowing the first pulse-compressed beam to be reflected by the retro-reflection module to form a retro-reflection beam. Wherein, the first pulse compression component is used for allowing the retroreflected beam to pass through the compression of the first pulse compression component to form a second pulse compression beam. Wherein, the second optical module is used for allowing the second pulse-compressed light beam to pass through the reflection of the second optical module to form a second focused light beam. Wherein, the second spectrum broadening module is used for allowing the second focused beam to pass through the second spectrum broadening module to form a second spectrum broadening beam. Wherein, the first optical module is used for allowing the second spectrally broadened light beam to pass through the reflection of the first optical module to form a second collimated light beam. Wherein, the second pulse compression component is used for allowing the second collimated beam to be compressed by the second pulse compression component to form a third pulse compression beam.

One of the beneficial effects of the present invention is that an electronic device and its optical spread spectrum and compression device provided by the present invention can pass through the "laser light generating module, the first optical module, the spectrum broadening component, the second optical Module, pulse compression group and retroreflection module are set on the same optical path" technical scheme, so that a laser beam generated by the laser light generation module can pass through sequentially, which is regarded as a first focusing mode The first optical module used as a group, the first spectral broadening module, the second optical module used as a first collimation module, the first pulse compression component, the retroreflection module, the first pulse The compression module, the second optical module used as a second focusing module, the second spectral broadening module, the first optical module used as a second collimating module, and the second pulse The compression components cooperate to form a projection beam projected to the outside of the optical spread spectrum and compression device.

In order to further understand the features and technical content of the present invention, please refer to the following detailed description and drawings related to the present invention. However, the provided drawings are only for reference and description, and are not intended to limit the present invention.

The following is a description of the implementation of the "electronic equipment and its optical spread spectrum and compression device" disclosed in the present invention through specific specific examples. Those skilled in the art can understand the advantages and effects of the present invention from the content disclosed in this specification . The present invention can be implemented or applied through other different specific embodiments, and various modifications and changes can be made to the details in this specification based on different viewpoints and applications without departing from the concept of the present invention. In addition, the drawings of the present invention are only for simple illustration, and are not drawn according to the actual size, which is stated in advance. The following embodiments will further describe the relevant technical content of the present invention in detail, but the disclosed content is not intended to limit the protection scope of the present invention. In addition, the term "or" used herein may include any one or a combination of more of the associated listed items depending on the actual situation.

[first embodiment]

1, the first embodiment of the present invention provides an optical spread spectrum and compression device M, which includes: a laser light generating module 1, a first optical module 2, a spectrum broadening component S, a first Two optical modules 3 , a pulse compression group P and a retroreflection module 4 . For example, the laser light generation module 1, the first optical module 2, the spectral broadening component S, the second optical module 3, the pulse compression group P and the retroreflection module 4 can all be set in the same optical path superior. However, the present invention is not limited to the above-mentioned examples.

Furthermore, as shown in FIG. 1 , the laser light generating module 1 can be used to provide a laser beam L1. For example, the laser light generation module 1 can be a titanium sapphire laser (Ti: Sapphire laser), a ytterbium doped laser (Yb: doped laser), a “Holmium laser” or a nonlinear light source generator ( Such as SHG, THG, OPA, OPO, OPCPA, THz Generation, etc.), or the laser light generating module 1 can also be replaced with a light source generator for generating non-laser beams. However, the present invention is not limited to the above-mentioned examples.

Furthermore, as shown in FIG. 1 , the first optical module 2 can be used to allow the laser beam L1 to pass through the reflection of the first optical module 2 to form a first focused beam L2 . It should be noted that when the laser beam L1 is reflected by the first optical module 2 to form the first focused beam L2, the first optical module 2 can be used as a first focusing module 2F. That is to say, a laser beam L1 provided by the laser light generating module 1 can be focused through "the first optical module 2 regarded as a first focusing module 2F" to form a first focusing Beam L2. For example, the first optical module 2 can use a single optical lens or an optical lens group including a plurality of optical lenses (convex lens, concave lens or off-axis parabolic mirror). However, the present invention is not limited to the above-mentioned examples.

Furthermore, as shown in Figure 1, the spectrum broadening component S includes a first spectrum broadening module S1 and a second spectrum broadening module S2, and the first spectrum broadening module S1 can be used to make the first focused light beam The L2 passes through the first spectral broadening module S1 to form a first spectral broadening beam L3. That is to say, the spectrum of the first focused beam L2 formed by the focusing of the first optical module 2 can be broadened by the first spectrum broadening module S1, so as to form a first spectrum broadening beam L3. For example, the first spectrum broadening module S1 includes a plurality of first spectrum spreading media (such as solid, liquid or gaseous media, the thickness of which can be less than or equal to 5 mm) that cooperate with each other. It should be noted that a first anti-reflection coating layer may be formed on the surface of the first spectrum spreading medium for reducing the reflectivity of the second focused light beam L8 passing through the multiple first spectrum spreading mediums. However, the present invention is not limited to the above-mentioned examples.

Furthermore, as shown in FIG. 1 , the second optical module 3 can be used to allow the first spectrally broadened beam L3 to be reflected by the second optical module 3 to form a first collimated beam L4 . It should be noted that when the first spectrally broadened light beam L3 passes through the reflection of the second optical module 3 to form the first collimated light beam L4, the second optical module 3 can be regarded as a first collimation module 3C. use. That is to say, the first spectrally broadened beam L3 formed by passing through the first spectrally broadening module S1 can be collimated through "the second optical module 3 regarded as a first collimating module 3C" , so as to form a first collimated light beam L4. For example, the second optical module 3 can use a single optical lens or an optical lens group including a plurality of optical lenses (convex lens, concave lens or off-axis parabolic mirror). However, the present invention is not limited to the above-mentioned examples.

Furthermore, as shown in FIG. 1, the pulse compression group P includes a first pulse compression component P1 and a second pulse compression component P2, and the first pulse compression component P1 can be used to make the first collimated light beam L4 A first pulse-compressed light beam L5 is formed through compression by the first pulse compression component P1. For example, the first pulse compression component P1 includes at least two first pulse compression elements P10 (such as a grating group, a prism group or a chirped mirror group) or includes at least one first pulse compression element P10 and at least one The first pulse compression element P10 cooperates with a first light reflection element (that is, the first light reflection element replaces another first pulse compression element P10), and the first collimated light beam L4 can sequentially pass through at least two second light reflection elements. Reflection by a pulse compression element P10 forms a first pulse compressed light beam L5. However, the present invention is not limited to the above-mentioned examples.

Furthermore, as shown in FIG. 1 , the retroreflective module 4 (or retroreflective module) can be used to allow the first pulse-compressed beam L5 to be reflected by the retroreflective module 4 to form a retroreflective beam L6, And the first pulse compression component P1 can be used to make the retro-reflected beam L6 pass through the compression of the first pulse compression component P1 to form a second pulse compression beam L7. That is to say, the first pulse-compressed light beam L5 formed by the compression of the first pulse-compression component P1 can be reflected by the retro-reflection module 4 to form a retro-reflected light beam L6 projected to the first pulse compression component P1 again. For example, the retro-reflected light beam L6 can be sequentially reflected by at least two first pulse compression elements P10 to form the second pulse-compressed light beam L7. However, the present invention is not limited to the above-mentioned examples.

Furthermore, as shown in FIG. 1 , the second optical module 3 can be used to allow the second pulse-compressed light beam L7 to be reflected by the second optical module 3 to form a second focused light beam L8 . It should be noted that when the second pulse-compressed beam L7 is reflected by the second optical module 3 to form the second focused beam L8, the second optical module 3 can be used as a second focusing module 3F. That is to say, the second pulse-compressed light beam L7 formed by the compression of the first pulse compression component P1 can be focused through "the first optical module 2 regarded as a second focusing module 3F", so as to form a The second focused light beam L8. For example, the second optical module 3 can use a single optical lens or an optical lens group including a plurality of optical lenses (convex lens, concave lens or off-axis parabolic mirror). However, the present invention is not limited to the above-mentioned examples.

Furthermore, as shown in FIG. 1 , the second spectral broadening module S2 can be used to allow the second focused beam L8 to pass through the second spectral broadening module S2 to form a second spectral broadening beam L9 . That is to say, the spectrum (spectrum) of the second focused beam L8 formed by the focusing of the second optical module 3 can be broadened (broadening) through the second spectrum broadening module S2, so as to form a second spectrum broadening beam L9. For example, the second spectrum broadening module S2 includes a plurality of second spectrum spreading media (such as solid, liquid or gaseous media, the thickness of which can be less than or equal to 5 mm) that cooperate with each other. It should be noted that a second anti-reflection coating layer may be formed on the surface of the second spectrum spreading medium for reducing the reflectivity of the second focused light beam L8 passing through the plurality of second spectrum spreading mediums. However, the present invention is not limited to the above-mentioned examples.

Furthermore, as shown in FIG. 1 , the first optical module 2 can be used to allow the second spectrally broadened beam L9 to be reflected by the first optical module 2 to form a second collimated beam L10 . It should be noted that when the second spectrally broadened light beam L9 passes through the reflection of the first optical module 2 to form the second collimated light beam L10, the first optical module 2 can be regarded as a second collimation module 2C. use. That is to say, a second spectral broadening light beam L9 formed by the second spectral broadening module S2 can pass through "the second optical module 3 regarded as a second collimating module 2C" for collimating (collimating ), so as to form a second collimated light beam L10. For example, the second optical module 3 can use a single optical lens or an optical lens group including a plurality of optical lenses (convex lens, concave lens or off-axis parabolic mirror). However, the present invention is not limited to the above-mentioned examples.

Furthermore, as shown in FIG. 1 , the second pulse compression component P2 can be used to allow the second collimated beam L10 to be compressed by the second pulse compression component P2 to form a third pulse compressed beam L11 . For example, the second pulse compression component P2 includes at least two second pulse compression elements P20 (such as a grating group, a prism group, or a chirped mirror group) or includes at least one second pulse compression element P20 and at least one The second pulse compression element P20 cooperates with a light reflection element (that is, replace another second pulse compression element P20 with a light reflection element), and the second collimated light beam L10 can pass through at least two second pulse compression elements in sequence The reflection of P20 forms a third pulse-compressed beam L7. However, the present invention is not limited to the above-mentioned examples.

For example, as shown in FIG. 1 , the optical spread spectrum and compression device M provided by the first embodiment of the present invention further includes: a light reflection component R, and the light reflection component R includes a first reflective mirror R1, a The second reflective mirror R2, a third reflective mirror R3, a fourth reflective mirror R4, and a fifth reflective mirror R5. Furthermore, the first reflective mirror R1 can be used to allow the laser beam L1 to project toward the first optical module 2 through the reflection of the first reflective mirror R1 . The second reflective mirror R2 and the third reflective mirror R3 can be used to allow the second collimated light beam L10 to pass through the reflection of the second reflective mirror R2 and the third reflective mirror R3 in sequence and project to the second pulse compression device P2. The fourth reflective mirror R4 and the fifth reflective mirror R5 can be used to allow the third pulse-compressed light beam L11 to pass through the reflection of the fourth reflective mirror R4 and the fifth reflective mirror R5 in order to form a beam projected onto the optical spread spectrum and compression device. A projected light beam L12 on an external lens assembly 6 outside of M.

To sum up, a laser beam L1 generated by the laser light generating module 1 can pass through the first optical module 2 and the first spectral broadening module S1 "used as a first focusing module 2F" in sequence , "used as a first collimation module 3C", the second optical module 3, the first pulse compression component P1, the retroreflection module 4, the first pulse compression component P1, "are regarded as a first The second optical module 3 used by the second focusing module 3F, the second spectral broadening module S2, the first optical module 2 used as a second collimation module 2C, and the second pulse The cooperation of the compression component P2 forms a projection beam L12 projected to the outside of the optical spread spectrum and compression device M.

[Second embodiment]

Referring to Fig. 2, the second embodiment of the present invention provides an electronic device Z, the electronic device Z uses an optical spread spectrum and compression device M provided in the first embodiment, and the optical spread spectrum and compression device M includes a A laser light generating module 1 , a first optical module 2 , a spectral broadening component S, a second optical module 3 , a pulse compression group P and a retroreflective module 4 .

It is worth mentioning that the electronic device Z can be a processing device, a testing device or a light source device. For example, when the electronic device Z is used as a processing device, the electronic device Z can be a material precision processing device or a material cutting and drilling device. When the electronic device Z is used as a testing device, the electronic device Z can be a semiconductor material testing device, a material quality testing device, a drug testing device, a high-speed object testing device, or a medical image testing device. However, the above-mentioned example is only one possible embodiment and is not intended to limit the present invention.

[Advantageous Effects of Embodiment]

One of the beneficial effects of the present invention is that an electronic device Z and its optical spread spectrum and compression device M provided by the present invention can pass through the "laser light generating module 1, the first optical module 2, and the spectrum broadening component." S, the technical scheme that the second optical module 3, the pulse compression group P, and the retroreflective module 4 are arranged on the same optical path", so that a laser beam L1 generated by the laser light generation module 1 can be The sequence passes through the first optical module 2 which is regarded as a first focusing module 2F, the first spectral broadening module S1, the second optical module 3 which is regarded as a first collimation module 3C, the second A pulse compression component P1, a retroreflection module 4, a first pulse compression component P1, a second optical module 3 used as a second focusing module 3F, and a second spectrum broadening module S2 are used as a A second collimation module 2C is used to cooperate with the first optical module 2 and the second pulse compression component P2 to form a projection beam L12 projected to the outside of the optical spread spectrum and compression device M.

The content disclosed above is only a preferred feasible embodiment of the present invention, and does not therefore limit the scope of the patent application of the present invention. Therefore, all equivalent technical changes made by using the description and drawings of the present invention are included in the application of the present invention. within the scope of the patent.

Z : electronic equipment M : Optical Spread Spectrum and Compression Device 1 : Laser light generating module 2 : The first optical module 2F : First focus module 2C : Second collimation module S : Spectral Broadening Component S1 : The first spectral broadening module S2 : Second spectral broadening module 3 : Second optical module 3F : Second focus module 3C : The first collimation module P : Pulse compression group P1 : First pulse compression component P10 : First pulse compression element P2 : Second pulse compression component P20 : Second pulse compression element 4 : Retroreflection module R : Light reflector component R1 : First reflector R2 : Second reflector R3 : The third reflector R4 : Fourth reflector R5 : Fifth reflector 6 : External Lens Assembly L1 : laser beam L2 : the first focused beam L3 : first spectrally broadened beam L4 : first collimated beam L5 : first pulse compressed beam L6 : retroreflected beam L7 : second pulse compressed beam L8 : second focused beam L9 : second spectrally broadened beam L10 : second collimated beam L11 : third pulse compressed beam L12 : Cast beam

FIG. 1 is a schematic diagram of an optical spread spectrum and compression device provided by the first embodiment of the present invention.

FIG. 2 is a functional block diagram of an optical spread spectrum and compression device used in electronic equipment according to a second embodiment of the present invention.

M : Optical Spread Spectrum and Compression Device 1 : Laser light generating module 2 : The first optical module 2F : First focus module 2C : Second collimation module S : Spectral Broadening Component S1 : The first spectral broadening module S2 : Second spectral broadening module 3 : Second optical module 3F : Second focus module 3C : The first collimation module P : Pulse compression group P1 : First pulse compression component P10 : First pulse compression element P2 : Second pulse compression component P20 : Second pulse compression element 4 : Retroreflection module R : Light reflector component R1 : First reflector R2 : Second reflector R3 : The third reflector R4 : Fourth reflector R5 : Fifth reflector 6 : External Lens Assembly L1 : laser beam L2 : the first focused beam L3 : first spectrally broadened beam L4 : first collimated beam L5 : first pulse compressed beam L6 : retroreflected beam L7 : second pulse compressed beam L8 : second focused beam L9 : second spectrally broadened beam L10 : second collimated beam L11 : third pulse compressed beam L12 : Cast beam

Claims (10)

An optical spread spectrum and compression device, comprising: A laser light generation module, the laser light generation module is used to provide a laser beam; A first optical module, the first optical module is used to allow the laser beam to pass through the reflection of the first optical module to form a first focused beam; A spectral broadening component, the spectral broadening component includes a first spectral broadening module and a second spectral broadening module, and the first spectral broadening module is used to allow the first focused light beam to pass through the second spectral broadening module a spectral broadening module to form a first spectral broadening beam; A second optical module, the second optical module is used to allow the first spectrally broadened light beam to pass through the reflection of the second optical module to form a first collimated light beam; A pulse compression group, the pulse compression group includes a first pulse compression component and a second pulse compression component, and the first pulse compression component is used to allow the first collimated beam to pass through the first compression by the pulse compression component to form a first pulse compressed beam; and A retro-reflective module, the retro-reflective module is used to allow the first pulse-compressed beam to pass through the reflection of the retro-reflective module to form a retro-reflective beam; Wherein, the first pulse compression component is used to allow the retroreflected beam to pass through the compression of the first pulse compression component to form a second pulse compression beam; Wherein, the second optical module is used to allow the second pulse-compressed light beam to pass through the reflection of the second optical module to form a second focused light beam; Wherein, the second spectral broadening module is used to allow the second focused beam to pass through the second spectral broadening module to form a second spectral broadening beam; Wherein, the first optical module is used to allow the second spectrally broadened light beam to pass through the reflection of the first optical module to form a second collimated light beam; Wherein, the second pulse compression component is used to allow the second collimated light beam to be compressed by the second pulse compression component to form a third pulse compressed light beam. The optical spread spectrum and compression device according to claim 1, wherein when the laser beam passes through the reflection of the first optical module to form the first focused beam, the first optical module It is used as a first focusing module; wherein, when the first spectrally broadened beam passes through the reflection of the second optical module to form the first collimated beam, the second optical module It is used as a first collimation module; when the second pulse-compressed beam passes through the reflection of the second optical module to form the second focused beam, the second optical module is used as A second focusing module is used; wherein, when the second spectrally broadened beam passes through the reflection of the first optical module to form the second collimated beam, the first optical module is regarded as It is a second collimation module to use. The optical spread spectrum and compression device according to claim 1, wherein the first pulse compression component includes at least two first pulse compression elements, and the first collimated light beam sequentially passes through the at least two first pulse compression elements reflection of a pulse compression element to form the first pulse compression beam, and the retroreflected beam sequentially passes through the reflection of the at least two first pulse compression elements to form the second pulse compression beam; wherein, The second pulse compression component includes at least two second pulse compression elements, and the second collimated light beam is sequentially transmitted through the reflection of the at least two second pulse compression elements to form the third pulse compression light beam; wherein , the laser light generation module, the first optical module, the spectrum broadening component, the second optical module, the pulse compression group and the retroreflection module are arranged in the same optical path superior. The optical spread spectrum and compression device as described in claim 1, further comprising: a light reflection assembly, the light reflection assembly includes a first reflective mirror, a second reflective mirror, a third reflective mirror, a fourth A reflective mirror and a fifth reflective mirror; wherein, the first reflective mirror is used to allow the laser beam to pass through the reflection of the first reflective mirror and project to the first optical module; wherein, the second The reflective mirror and the third reflective mirror are used to allow the second collimated light beam to pass through the reflection of the second reflective mirror and the third reflective mirror in sequence and project to the second pulse compression component; wherein, the The fourth reflective mirror and the fifth reflective mirror are used to allow the third pulse-compressed light beam to pass through the reflection of the fourth reflective mirror and the fifth reflective mirror in sequence and project to the optical spread spectrum An external lens assembly with the outside of the compression device. An optical spread spectrum and compression device, which includes: a laser light generating module, a first optical module, a spectrum broadening component, a second optical module, a pulse compression group and a retroreflection module, And the laser light generation module, the first optical module, the spectral broadening component, the second optical module, the pulse compression group and the retroreflection module are arranged in the same optical path superior; Wherein, the spectrum stretching component includes a first spectrum stretching module and a second spectrum stretching module, and the pulse compression group includes a first pulse compression component and a second pulse compression component; Wherein, a laser beam generated by the laser light generating module passes through the first optical module, the first spectral broadening module, and the first focusing module used as a first focusing module, which are regarded as The second optical module, the first pulse compression component, the retroreflection module, and the first pulse compression component used as a first collimation module are regarded as a second focusing module The second optical module used as a group, the second spectral broadening module, the first optical module used as a second collimation module, and the second pulse compression component cooperate to form a projection beam projected to the outside of the optical spread spectrum and compression device. An electronic device that uses an optical spread spectrum and compression device, characterized in that the optical spread spectrum and compression device includes: A laser light generation module, the laser light generation module is used to provide a laser beam; A first optical module, the first optical module is used to allow the laser beam to pass through the reflection of the first optical module to form a first focused beam; A spectral broadening component, the spectral broadening component includes a first spectral broadening module and a second spectral broadening module, and the first spectral broadening module is used to allow the first focused light beam to pass through the second spectral broadening module a spectral broadening module to form a first spectral broadening beam; A second optical module, the second optical module is used to allow the first spectrally broadened light beam to pass through the reflection of the second optical module to form a first collimated light beam; A pulse compression group, the pulse compression group includes a first pulse compression component and a second pulse compression component, and the first pulse compression component is used to allow the first collimated beam to pass through the first compression by the pulse compression component to form a first pulse compressed beam; and A retro-reflective module, the retro-reflective module is used to allow the first pulse-compressed beam to pass through the reflection of the retro-reflective module to form a retro-reflective beam; Wherein, the first pulse compression component is used to allow the retroreflected beam to pass through the compression of the first pulse compression component to form a second pulse compression beam; Wherein, the second optical module is used to allow the second pulse-compressed light beam to pass through the reflection of the second optical module to form a second focused light beam; Wherein, the second spectral broadening module is used to allow the second focused beam to pass through the second spectral broadening module to form a second spectral broadening beam; Wherein, the first optical module is used to allow the second spectrally broadened light beam to pass through the reflection of the first optical module to form a second collimated light beam; Wherein, the second pulse compression component is used to allow the second collimated light beam to be compressed by the second pulse compression component to form a third pulse compressed light beam. The electronic device according to claim 6, wherein when the laser beam passes through the reflection of the first optical module to form the first focused beam, the first optical module is regarded as a first A focusing module is used; wherein, when the first spectrally broadened beam passes through the reflection of the second optical module to form the first collimated beam, the second optical module is regarded as a first A collimation module is used; when the second pulse-compressed beam is reflected by the second optical module to form the second focused beam, the second optical module is regarded as a second focused module; wherein, when the second spectrally broadened beam passes through the reflection of the first optical module to form the second collimated beam, the first optical module is regarded as a second collimated beam Straight module to use. The electronic device according to claim 6, wherein the first pulse compression component includes at least two first pulse compression elements, and the first collimated light beam sequentially passes through the at least two first pulse compression elements reflected to form the first pulse-compressed beam, and the retro-reflected beam is sequentially transmitted through the reflection of the at least two first pulse-compressed elements to form the second pulse-compressed beam; wherein the second pulse-compressed The component includes at least two second pulse compression elements, and the second collimated light beam is sequentially transmitted through the reflection of the at least two second pulse compression elements to form the third pulse compression light beam; wherein, the laser light The generating module, the first optical module, the spectral broadening component, the second optical module, the pulse compression group and the retroreflection module are arranged on the same optical path. The electronic device as claimed in item 6, wherein the optical spread spectrum and compression device further includes: a light reflection component, the light reflection component includes a first reflective mirror, a second reflective mirror, a first Three reflective mirrors, a fourth reflective mirror and a fifth reflective mirror; wherein, the first reflective mirror is used to let the laser beam pass through the reflection of the first reflective mirror and project to the first optical module ; Wherein, the second reflective mirror and the third reflective mirror are used to allow the second collimated light beam to pass through the reflection of the second reflective mirror and the third reflective mirror in sequence and project to the second A pulse compression assembly; wherein, the fourth reflective mirror and the fifth reflective mirror are used to allow the third pulse-compressed light beam to be projected to the An external lens assembly external to the optical spread spectrum and compression device. The electronic device according to claim 6, wherein the electronic device is a processing device, a detection device or a light source device.

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