CN107577002A - A kind of device for making large area multiple-beam interference - Google Patents
A kind of device for making large area multiple-beam interference Download PDFInfo
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- CN107577002A CN107577002A CN201711024993.6A CN201711024993A CN107577002A CN 107577002 A CN107577002 A CN 107577002A CN 201711024993 A CN201711024993 A CN 201711024993A CN 107577002 A CN107577002 A CN 107577002A
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- large area
- lens
- beam interference
- splicing
- interference
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Abstract
The invention discloses a kind of production method and device of large area multiple-beam interference, including coherent point light sources and splicing lens.The apparatus structure of the present invention is simple, be easily achieved, cost is cheap, only needs a splicing lens just to produce the multiple-beam interference of a variety of large area.This method and device are applied to the making of large area preiodic type, quasi-crystalline substance type photon microstructure, can significantly improve the preparation efficiency of photon microstructure, effectively reduce cost of manufacture.
Description
Technical field
The invention belongs to photon crystal structure field, and in particular to a kind of device for making large area multiple-beam interference.
Background technology
Photon microstructure is the artificial micro-structure material of a kind of excellent performance, is realizing manual control and is manipulating the propagation of light
Aspect has a good application prospect.When light wave is propagated in photon microstructure, the transport behavior of light wave can be by micro-structural
Modulating action influences, and this provides new thinking for the transport behavior of control light wave.Quasi-crystalline substance be it is a kind of have long-range order and
Specific diffraction pattern, but do not possess the solid structure of translational symmetry.Quasi-crystalline substance has the rotational symmetry of height, has
The peculiar property being not present in periodic crystal.Combining the characteristics of quasicrystal structure with photon microstructure, formed a kind of
New material structure, it is called photon quasi-crystalline substance.Compared to periodicity photon microstructure, photon quasi-crystalline substance is in relatively low contrast of refractive index
The lower photon band gap that can just produce more uniform isotropic, it is easier to realize complete forbidden photon band.Therefore, photon quasi-crystalline substance
It is a kind of photon microstructure of more application prospect.
Typical photon microstructure technology of preparing mainly has semiconductor Precision Machining, beamwriter lithography, laser direct-writing at present
Technology and counter opal method etc..Although these preparation methods realize the making of photon microstructure to varying degrees,
Most of equipment complexity to be all present, technique is cumbersome, costly, and production efficiency is relatively low, prepares the shortcomings that area is small, which has limited
The practical further development of photon microstructure.Photoinduction method is a kind of interference pattern and Preset grating for combining multi beam coherent light
The method of the laser-sensitive characteristic of material, it is commonly used to make Preset grating photon microstructure, also referred to as photonic crystal lattice.Photoinduction method has
There is the characteristics of flexibility is strong, technique is simple, cost is cheap.The photon microstructure area made in photorefractive material is rolled over depending on light
Become the area that material is irradiated by light wave.When the irradiated area of exposure light is larger, the Preset grating photon microstructure of making can also have
There is bigger area, so as to improve preparation efficiency.But the multiple-beam interference of large area is produced with traditional interference technique
Relatively difficult, required light path complexity is high, it is difficult to adjusts.Especially when making photon quasi-crystalline substance micro-structural, with structure
The increase of symmetry is, it is necessary to which more light beam participation interference, are difficult to conventional interference method.
Therefore, how to provide a kind of method and apparatus that easy can realize large area multiple-beam interference is people in the art
One technical problem urgently to be resolved hurrily of member.
The content of the invention
The invention provides a kind of large area multiple-beam interference production method and device, the present invention passes through single splicing lens
Element completes the decomposition of light beam with being superimposed interference, can produce a variety of light distribution patterns and is distributed in periodicity, quasi periodic
Large area interference optical field, there is good light and shade contrast, available for preiodic type, the quasi-crystalline substance type large area photon for making high quality
Micro-structural.
Realize the technical scheme is that：A kind of device for making large area multiple-beam interference, including spot light and spelling
Connect lens.
It by a convex lens even partition is 3-6 parts that the splicing lens, which are, will be handled per part by edging, afterwards
Splicing lens will be made per partly splicing is carried out.
The edging processing is that will grind off 0.1-3mm along cut surface per part.
The spot light sends monochromatic spherical wave, and monochromatic spherical wave illumination forms large area multiple beam to splicing on lens
Interference.
The spot light is equal to the focal length of convex lens with splicing the distance between lens.
The beneficial effects of the invention are as follows：Method is simple by the present invention, and apparatus structure is simple, be easily achieved, cost is low
It is honest and clean, only need a splicing lens just to produce the multiple-beam interference of a variety of large area.Such as：Using being cut into three parts in parts
Splicing lens can produce large area triangular crystal lattice type interference optical field, and being cut into tetrameric splicing lens in parts can produce greatly
Area tetragonal lattice interference optical field, ten times of symmetrical quasi-crystalline substances of large area can be produced by being cut into the splicing lens of five parts in parts
Type interference optical field, large area hexagonal lattice type interference optical field can be produced by being cut into the splicing lens of six parts in parts.The side
Large area multiple-beam interference caused by method can be used for the making of large area preiodic type, quasi-crystalline substance type photon microstructure.Methods described has
Help simplify the manufacturing process of photon microstructure, reduce the cost of manufacture of photon microstructure, improve preparation efficiency.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the required accompanying drawing used in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is that the spot light on the convex lens front focal plane sends light beam and is transformed into showing for collimated light beam by convex lens
It is intended to.
Fig. 2 is the schematic diagram that present invention splicing lens produce large area interference optical field.
Fig. 3 is the schematic device of large area multiple-beam interference production method of the present invention.
Fig. 4 is the cutting of four parts splicing lens, edging, joining method in the embodiment of the present invention 1.
Fig. 5 is the cutting of five parts splicing lens, edging, joining method in the embodiment of the present invention 2.
Fig. 6 is the light distribution pattern of large area tetragonal lattice interference optical field caused by embodiment 1.
Fig. 7 is the light distribution pattern of the symmetrical quasi-crystalline substance type interference optical field of ten times of large area caused by embodiment 2.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other under the premise of creative work is not paid
Embodiment, belong to the scope of protection of the invention.
A kind of production method and device of large area multiple-beam interference, the monochromatic spherical wave that coherent point light sources 1 are sent shine
It is mapped on a splicing lens 2, multiple-beam interference light field can be produced in the exit end of splicing lens.The interference optical field has larger
Area, available for make large area preiodic type, quasi-crystalline substance type photon microstructure.
The principle of its generation large area multiple-beam interference of splicing lens of the present invention is as shown in Figures 1 and 2.Scheming
In 1, it is f to have a focal length, a diameter of D convex lens.If a spot light S is located on the front focal plane of the convex lens, and
The vertical range of spot light S to lens axis is a, and a branch of spherical wave that this point light sources is sent passes through the refraction action of lens
Afterwards, it is changed into a branch of plane wave deflected to optical axis direction.The angle of the plane wave and optical axisAMeet relational expression tanA= a/f.Such as
Shown in Fig. 2, if the convex lens are cut from centre, and it is a bit of of a that the cross sectional portion of otch is ground off into thickness, then
Two parts splicing is glued together again, forms a new splicing lens.Because two parts of splicing have identical parameter（It is burnt
Away from identical, the partial width ground off is identical, equal sized）, so it is to be placed a bit at f to work as distance on the optical axis of splicing lens
During light source, a branch of directional light deflected to optical axis direction, each directional light and optical axis can all be sent by splicing each section of lens
Corner dimension be satisfied by relational expression tanA= a/f.In the output end of splicing lens, these collimated light beams will necessarily be superimposed
Interference, change a and f ratio can change the angle between light beam.Because lens have larger clear aperature, therefore produce
Interference region just there is larger area, such one piece of splicing lens can be achieved with the interference of multiple wide collimated light beams, produce
The interference optical field of large area.If convex lens uniformly to be cut into three, four, five, six parts, three, four, five, six can be realized respectively
The parallel interference of light of beamwidth.Caused large area interference light intensity pattern can be used for making large area preiodic type, the micro- knot of quasi-crystalline substance type photon
Structure.
The schematic device of the present invention is as shown in figure 3, the generation of wherein coherent point light sources is coordinated using he-ne laser tube
Short focal length lens is realized.The he-ne laser tube wavelength used is 632.8nm, power output 10mW, Jiao of short focal length lens
Away from for 4.5mm.
Embodiment 1
The present embodiment produces large area tetragonal lattice interference optical field exemplified by being cut into tetrameric splicing lens.Specific side
Method is as follows：
As shown in figure 4, a diameter of 50mm convex lens are uniformly cut into four equal parts, per partly along trimming
2mm is ground off, is then adhered by being stitched together, forms one four splicing lens.Four splicing lens are applied to the device of accompanying drawing 2
In, the tetragonal lattice interference optical field of large area can be produced, as shown in Figure 6.The area of interference optical field is about 285mm2.The big face
Product interference optical field can be used for fabrication cycle type photon microstructure.
Embodiment 2
The present embodiment produces the symmetrical quasi-crystalline substance type interference optical field of ten times of large area by taking the splicing lens for cutting quinquepartite as an example.Tool
Body method is as follows：
As shown in figure 5, a diameter of 50mm convex lens are uniformly cut into five equal parts, per partly along trimming
2mm is ground off, is then adhered by being stitched together, forms one five splicing lens.Five splicing lens are applied to the device of accompanying drawing 3
In, ten times of symmetrical quasi-crystalline substance type interference optical fields of large area can be produced, as shown in Figure 7.The area of interference optical field is about 227mm2.Should
Large area interference optical field can be used for making ten times of symmetrical quasi-crystalline substance type photon microstructures.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
God any modification, equivalent substitution and improvements made etc., should be included in the scope of the protection with principle.
Claims (5)
- A kind of 1. device for making large area multiple-beam interference, it is characterised in that：Including spot light（1）With splicing lens（2）.
- 2. the device according to claim 1 for making large area multiple-beam interference, it is characterised in that：The splicing lens （2）To be 3-6 parts by a convex lens even partition, it will handle by edging per part, every will partly be spliced afterwards Splicing lens are made（2）.
- 3. the device according to claim 2 for making large area multiple-beam interference, it is characterised in that：The edging is handled Per part 0.1-3mm will be ground off along cut surface.
- 4. the device of the making large area multiple-beam interference according to claim any one of 1-3, it is characterised in that：The point Light source（1）Send monochromatic spherical wave, monochromatic spherical wave illumination to splicing lens（2）On, form large area multiple-beam interference.
- 5. the device according to claim 2 for making large area multiple-beam interference, it is characterised in that：The spot light（1） With splicing lens（2）The distance between be equal to convex lens focal length.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711024993.6A CN107577002A (en) | 2017-10-27 | 2017-10-27 | A kind of device for making large area multiple-beam interference |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711024993.6A CN107577002A (en) | 2017-10-27 | 2017-10-27 | A kind of device for making large area multiple-beam interference |
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| CN201711024993.6A Pending CN107577002A (en) | 2017-10-27 | 2017-10-27 | A kind of device for making large area multiple-beam interference |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110441834A (en) * | 2018-06-07 | 2019-11-12 | 华东师范大学 | The control method and control device of three dimensional photonic crystal lattice period and queueing discipline |
| CN117872514A (en) * | 2024-01-03 | 2024-04-12 | 郑州工程技术学院 | Manufacturing and using method of cutting combined lens |
Citations (4)
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|---|---|---|---|---|
| CN1556444A (en) * | 2004-01-09 | 2004-12-22 | 厦门大学 | Preparation method of three dimensional photon crystal and its device |
| CN101819065A (en) * | 2010-04-16 | 2010-09-01 | 北京交通大学 | Polarization interference imaging spectrum system |
| CN202013486U (en) * | 2010-12-28 | 2011-10-19 | 郑州大学 | Device for large-area manufacture of photonic crystal and photonic quasicrystal by adopting single-refraction prism |
| CN103268018A (en) * | 2013-06-13 | 2013-08-28 | 苏州大学 | Beam splitting device and multi-beam interference light path system |
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2017
- 2017-10-27 CN CN201711024993.6A patent/CN107577002A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1556444A (en) * | 2004-01-09 | 2004-12-22 | 厦门大学 | Preparation method of three dimensional photon crystal and its device |
| CN101819065A (en) * | 2010-04-16 | 2010-09-01 | 北京交通大学 | Polarization interference imaging spectrum system |
| CN202013486U (en) * | 2010-12-28 | 2011-10-19 | 郑州大学 | Device for large-area manufacture of photonic crystal and photonic quasicrystal by adopting single-refraction prism |
| CN103268018A (en) * | 2013-06-13 | 2013-08-28 | 苏州大学 | Beam splitting device and multi-beam interference light path system |
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| 刘军: "《对切透镜的干涉问题讨论》", 《物理教师》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110441834A (en) * | 2018-06-07 | 2019-11-12 | 华东师范大学 | The control method and control device of three dimensional photonic crystal lattice period and queueing discipline |
| CN117872514A (en) * | 2024-01-03 | 2024-04-12 | 郑州工程技术学院 | Manufacturing and using method of cutting combined lens |
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Address after: 451191 No. 1 Huaihe Road, Shuang Hu Economic and Technological Development Zone, Xinzheng, Zhengzhou, Henan Applicant after: Zhongyuan University of Technology Address before: 451191 No. 1 Huaihe Road, Shuanghu Town Economic and Technological Development Zone, Zhengzhou City, Henan Province Applicant before: Zhongyuan University of Technology |
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