CN205384224U - Raman spectroscopy measures experimental apparatus - Google Patents
Raman spectroscopy measures experimental apparatus Download PDFInfo
- Publication number
- CN205384224U CN205384224U CN201620180706.5U CN201620180706U CN205384224U CN 205384224 U CN205384224 U CN 205384224U CN 201620180706 U CN201620180706 U CN 201620180706U CN 205384224 U CN205384224 U CN 205384224U
- Authority
- CN
- China
- Prior art keywords
- raman
- laser
- raman spectroscopy
- spectrogrph
- wavelength
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000001069 Raman spectroscopy Methods 0.000 title claims abstract description 64
- 239000000523 sample Substances 0.000 claims abstract description 32
- 238000001228 spectrum Methods 0.000 claims abstract description 16
- 239000013307 optical fiber Substances 0.000 claims description 18
- 238000005259 measurement Methods 0.000 claims description 15
- 230000003595 spectral effect Effects 0.000 claims description 15
- 238000001237 Raman spectrum Methods 0.000 claims description 13
- 230000005540 biological transmission Effects 0.000 claims description 9
- 238000012360 testing method Methods 0.000 claims description 7
- 230000003287 optical effect Effects 0.000 claims description 5
- 239000004065 semiconductor Substances 0.000 claims description 5
- 238000012544 monitoring process Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 7
- 230000001149 cognitive effect Effects 0.000 abstract description 2
- 238000002474 experimental method Methods 0.000 abstract description 2
- 238000004611 spectroscopical analysis Methods 0.000 abstract description 2
- 239000000835 fiber Substances 0.000 abstract 2
- 230000003760 hair shine Effects 0.000 abstract 1
- 230000005284 excitation Effects 0.000 description 9
- 239000000463 material Substances 0.000 description 9
- 238000001514 detection method Methods 0.000 description 5
- 238000004458 analytical method Methods 0.000 description 4
- 230000001276 controlling effect Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000010354 integration Effects 0.000 description 2
- 230000002596 correlated effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000002189 fluorescence spectrum Methods 0.000 description 1
- 239000010437 gem Substances 0.000 description 1
- 229910001751 gemstone Inorganic materials 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 238000009659 non-destructive testing Methods 0.000 description 1
- -1 public safety Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
Landscapes
- Investigating, Analyzing Materials By Fluorescence Or Luminescence (AREA)
Abstract
The utility model provides a raman spectroscopy measures experimental apparatus, its characterized in that: which comprises a control module, many wavelength laser, raman probe, spectrum appearance and frequency spectrum observation device, control module links to each other with many wavelength laser and is used for providing drive current and switching output wavelength, many wavelength laser and raman probe arouse the end fiber connection, raman probe is used for transmitting the laser focusing and shines the raman scattering light that need checking sample went up reverse collection and filtered the sample production, raman probe 's receiving terminal optic fibre and spectrum appearance are connected, the spectrum appearance is used for gathering the raman scattering signal, the frequency spectrum observation device links to each other with the spectrum appearance and is used for raman spectroscopy's demonstration, wherein, many wavelength laser can export the narrow linewidth laser of two at least fixed wave length, this experimental apparatus has fine maneuverability, do benefit to comprehensive cognitive raman spectroscopy measuring principle of student and method, be applicable to especially raman spectroscopy's experiment teaching of spectroscopy.
Description
Technical field
This utility model relates to a kind of raman spectroscopy measurement device, particularly to the raman spectroscopy measurement device of a kind of education experiment.
Background technology
Raman effect is found by India's physicist Raman, refers to the phenomenon that light wave frequency after being scattered changes.Light is irradiated on material and elastic scattering and inelastic scattering occurs, the composition (Rayleigh scattering light) that the scattering of elastic scattering is just identical with excitation wavelength, inelastically scattered scattering light has longer than excitation wavelength He short composition (Raman diffused light), Raman spectrum analysis method is to be analyzed obtaining molecular vibration to the scattering spectrum different from exciting light frequency, the information of rotation aspect, and it is applied to the one analysis method of molecular structure research, the characteristic of scatterer is depended in the change of scattering light frequency, the mode of different atomic group vibrations is unique, therefore the scattering light of characteristic frequency can be produced, its spectrum is known as " Fingerprint ", principle can identify the molecular species of component like this.
Raman scattering belongs to micro light detecting, the background noise avoiding signal is should be noted that when measuring, the bias light source that the fluorescence caused by laser commonly encounters often most, fluorescence background intensity is relevant with the selective absorbing of exciting light frequency and material molecule, fluorescence spectrum is generally from more a lot of than Raman peak width in appearance, appear like the baseline that Raman spectrum is slowly varying, for some material, even if concentration is very low, the fluorescence background of its generation still can be eager to excel than the Raman spectrum that integral material produces, can by fluorescence background relative reduction by the near-infrared laser of employing longer wavelength, be conducive to the extraction of Raman signatures signal, but owing to the intensity of Raman signal and 4 powers of excitation wavelength are inversely proportional to, Raman signal also can die down accordingly, therefore the wavelength of LASER Light Source must be chosen in reality is measured in conjunction with detection object.
At present, Raman spectrum analysis, owing to possessing the prominent advantages such as detection fast, the Non-Destructive Testing of speed, has been widely used in the fields such as food safety, biological medicine, public safety, material science, gemstone testing, geological exploration, environment measuring.Recently, domestic many universities and colleges start the correlated curriculum offering spectral detection to meet the demand for talent of spectrum industrialized development, and Raman spectrum is as a kind of method of spectral detection, its process covers the knowledge points such as laser instrument principle, spectral measurement and analysis method, spectrogrph operation principle and using method, student to photoelectric field is a fabulous practice opportunity, but Raman detection device integration on market is too high, being unfavorable for that student is cognitive and improve operational capacity, the real product being suitable for experimental teaching remains a market vacancy.
Summary of the invention
For the problems referred to above, the purpose of this utility model is to provide a kind of raman spectroscopy measurement experimental provision, and this device has good operability, and is configured with the LASER Light Source that multi-wavelength exports, and is beneficial to principle and the method for student's full cognizance raman spectroscopy measurement.
To achieve these goals, this utility model adopts the following technical scheme that a kind of raman spectroscopy measurement experimental provision, it is characterised in that: include controlling module, multiple-wavelength laser, Raman probe, spectrogrph and spectral observation device；Control module and be connected with multiple-wavelength laser for providing driving electric current and switching output wavelength, multiple-wavelength laser is connected with the end optical fiber that excites of Raman probe, Raman probe is irradiated on testing sample for transmitting laser focusing and reversely collects the Raman diffused light produced with filtered sample, the receiving terminal optical fiber of Raman probe is connected with spectrogrph, spectrogrph is used for gathering Raman scattering signal, the display that spectral observation device is connected for Raman spectrum with spectrogrph.
Wherein, described multiple-wavelength laser is the narrow linewidth semiconductor laser that can export at least two fixed wave length, it includes the chip of laser of at least two wavelength, its front end is provided with fast axis collimation mirror and slow axis collimating mirror, the light that chip of laser sends incides on transmission-type Volume Bragg grating after fast and slow axis collimates, form reflected beam portion and transmission light part, reflected beam portion forms external cavity feedback along backtracking to chip of laser intracavity, the breadth of spectrum line of transmission light part is narrowed and is incided on the reflecting mirror in respective optical path, the position of reflecting mirror is adjustable, the transmission light part making each light path all can simultaneously enter condenser lens, finally it is coupled in optical fiber and exports.
Above-mentioned control module is by the temperature of the internally installed critesistor monitoring laser chip of multiple-wavelength laser, and by refrigerator chip of laser is heated or freezes.
Excite end optical fiber and the receiving terminal optical fiber of above-mentioned Raman probe are mounted on fibre-optical splice, and fibre-optical splice is attached with multiple-wavelength laser and spectrogrph by adapter.
Above-mentioned spectrogrph is attached by USB interface and spectral observation device.
Above-mentioned spectral observation device has the memorizer of storage standard Raman spectroscopy data base, can be mated in data base by the Raman spectrum of acquisition.
The beneficial effects of the utility model are: this experimental provision has good operability, equipment is being attached by student, regulate and arrange in the process measuring parameter, principle knowledge therein can be accepted fully, this experimental provision have employed multiple-wavelength laser simultaneously, student can choose different wave length for different samples and excite, by contrasting the Raman spectrum obtained, observation excitation wavelength is to fluorescence background noise, the impact of excitation of spectra efficiency and rule, can also utilize standard database that sample is carried out material discriminating, this experimental provision is applicable to the experimental teaching of spectroscopy particularly Raman spectroscopy, fill up the market vacancy.
Accompanying drawing explanation
Fig. 1 is raman spectroscopy measurement experimental provision structure composition diagram of the present utility model.
In figure, 1 for controlling module；2 is multiple-wavelength laser；2-1 is chip of laser；2-2 is fast axis collimation mirror；2-3 is slow axis collimating mirror；2-4 is Volume Bragg grating；2-5 is reflecting mirror；2-6 is condenser lens；2-7 is optical fiber；3 is Raman probe；4 is testing sample；5 is spectrogrph；6 is spectral observation device.
Detailed description of the invention
Below in conjunction with drawings and Examples, this utility model is further described; following example will assist in those skilled in the art and are further appreciated by this utility model; but do not limit this utility model in any form; according to thought of the present utility model; can making some deformation and improvement, these broadly fall into protection domain of the present utility model.
Refer to Fig. 1, raman spectroscopy measurement experimental provision of the present utility model, including controlling module 1, multiple-wavelength laser 2, Raman probe 3, spectrogrph 5 and spectral observation device 6.
nullWherein，Multiple-wavelength laser 2 is the narrow linewidth semiconductor laser that can export at least two fixed wave length，It comprises the chip of laser 2-1 of at least two wavelength，The laser beam that each chip of laser 2-1 launches is asymmetrical divergent beams (30 ° to 40 ° of fast axis divergence angles，Slow axis divergence 6 ° to 10 °)，Need to collimate in the two directions respectively through the fast axis collimation mirror 2-2 and slow axis collimating mirror 2-3 being arranged on its front end，Collimation is for inciding on Volume Bragg grating 2-4 after collimated light beam，Form reflected beam portion and transmission light part，Reflected beam portion forms external cavity feedback along backtracking to chip of laser 2-1 intracavity，Owing to the breadth of spectrum line of semiconductor laser and the length of semiconductor laser active area are inversely proportional to，Therefore chamber length is one of key factor affecting live width，Exocoel is set and is equivalent to significantly increase Resonant Intake System，Thus can effectively narrow the breadth of spectrum line of laser，Therefore，Can substantially be narrowed from the breadth of spectrum line of the transmission light part of Volume Bragg grating 2-4 outgoing，And incide on the reflecting mirror 2-5 in respective optical path，The position of every reflecting mirror 2-5 on the way can regulate，The transmission light part making each light path occurs 90 degree to turn back and the light beam mutually not shelves mutually of each light path herein，All can simultaneously enter condenser lens 2-6，Finally it is coupled in optical fiber 2-7 and exports.
Above-mentioned fast axis collimation mirror 2-2 and slow axis collimating mirror 2-3 needs to be designed according to active area dimensions and the angle of divergence size of each chip of laser 2-1, and Shi Mei road laser beam can reach good collimating effect simultaneously.
The above-mentioned Volume Bragg grating that Volume Bragg grating 2-4 is transmission-type, its reflectance needs the output in conjunction with chip of laser 2-1 to select, and is typically within the scope of 15%-35%.
The annexation of this experimental provision each several part is as follows: controls module 1 and is connected with multiple-wavelength laser 2, there is provided for the chip of laser 2-1 internal to it and drive electric current, each chip of laser 2-1 has its independent driving, regulate driving current value and can change its output, simultaneously, control module 1 temperature by the internally installed critesistor monitoring laser chip 2-1 of multiple-wavelength laser 2, and by refrigerator chip of laser 2-1 be heated or freeze.Student can also pass through to control module 1 and carry out wavelength switching, for different testing samples 4, choose different wavelength to excite, the selection of excitation wavelength is the interference in order to avoid fluorescence, because Raman shift is unrelated with exciting light frequency, the scope that different material produces fluorescence is different, as long as the exciting light that can avoid the fluorescent belt of this material is all possible, in addition the intensity of Raman signal is inversely proportional to 4 powers of excitation wavelength, student is by contrasting the Raman spectrum that obtains, it is possible to observation excitation wavelength is on fluorescence background noise, the impact of excitation of spectra efficiency and rule.
The output optical fibre 2-7 of multiple-wavelength laser 2 is connected with the end optical fiber that excites of Raman probe 3, Raman probe 3 is used for transmitting laser focusing and is irradiated to testing sample 4, the Raman diffused light that sample 4 produces can enter Raman probe 3 together with Rayleigh scattering light opposite direction, by optical filter, Rayleigh scattering light is filtered therein, and the Raman diffused light collected is exported by receiving terminal optical fiber, the receiving terminal optical fiber of Raman probe 3 is connected with spectrogrph 5, spectrogrph 5 is used for gathering Raman scattering signal, during measurement, student is required for the different testing samples 4 measurement parameter to spectrogrph 5 and is configured, such as the time of integration, average time, smoothness etc., just can obtain desirable Raman spectrogram.
Excite end optical fiber and the receiving terminal optical fiber of Raman probe 3 are mounted on fibre-optical splice, and fibre-optical splice is attached with multiple-wavelength laser 2 and spectrogrph 5 by adapter.
Spectral observation device 6 is connected with spectrogrph 5 by USB interface the process of the display for Raman spectrum and subsequent optical modal data, spectral observation device 6 has the memorizer of storage standard Raman spectroscopy data base, the Raman spectrum of acquisition can be mated in data base, sample is carried out material discriminating.
Claims (5)
1. a raman spectroscopy measurement experimental provision, it is characterised in that: include controlling module, multiple-wavelength laser, Raman probe, spectrogrph and spectral observation device；Control module and be connected with multiple-wavelength laser for providing driving electric current and switching output wavelength, multiple-wavelength laser is connected with the end optical fiber that excites of Raman probe, Raman probe is irradiated on testing sample for transmitting laser focusing and reversely collects the Raman diffused light produced with filtered sample, the receiving terminal optical fiber of Raman probe is connected with spectrogrph, spectrogrph is used for gathering Raman scattering signal, the display that spectral observation device is connected for Raman spectrum with spectrogrph；
Wherein, described multiple-wavelength laser is the narrow linewidth semiconductor laser that can export at least two fixed wave length, it includes the chip of laser of at least two wavelength, its front end is provided with fast axis collimation mirror and slow axis collimating mirror, the light that chip of laser sends incides on transmission-type Volume Bragg grating after fast and slow axis collimates, form reflected beam portion and transmission light part, reflected beam portion forms external cavity feedback along backtracking to chip of laser intracavity, the breadth of spectrum line of transmission light part is narrowed and is incided on the reflecting mirror in respective optical path, the position of reflecting mirror is adjustable, the transmission light part making each light path all can simultaneously enter condenser lens, finally it is coupled in optical fiber and exports.
2. a kind of raman spectroscopy measurement experimental provision according to claim 1, it is characterized in that, described control module is by the temperature of the internally installed critesistor monitoring laser chip of multiple-wavelength laser, and by refrigerator chip of laser is heated or freezes.
3. a kind of raman spectroscopy measurement experimental provision according to claim 1, it is characterised in that excite end optical fiber and the receiving terminal optical fiber of described Raman probe are mounted on fibre-optical splice, and fibre-optical splice is attached with multiple-wavelength laser and spectrogrph by adapter.
4. a kind of raman spectroscopy measurement experimental provision according to claim 1, it is characterised in that described spectrogrph is attached by USB interface and spectral observation device.
5. a kind of raman spectroscopy measurement experimental provision according to claim 1, it is characterised in that described spectral observation device has the memorizer of storage standard Raman spectroscopy data base, can be mated in data base by the Raman spectrum of acquisition.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620180706.5U CN205384224U (en) | 2016-03-10 | 2016-03-10 | Raman spectroscopy measures experimental apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620180706.5U CN205384224U (en) | 2016-03-10 | 2016-03-10 | Raman spectroscopy measures experimental apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205384224U true CN205384224U (en) | 2016-07-13 |
Family
ID=56351398
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620180706.5U Active CN205384224U (en) | 2016-03-10 | 2016-03-10 | Raman spectroscopy measures experimental apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205384224U (en) |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106290300A (en) * | 2016-08-04 | 2017-01-04 | 同方威视技术股份有限公司 | Portable raman spectrometer |
| CN106767457A (en) * | 2016-12-19 | 2017-05-31 | 中国科学院烟台海岸带研究所 | A kind of water-surface oil film method for measuring thickness and device based on raman spectroscopy measurement |
| CN107238595A (en) * | 2017-05-05 | 2017-10-10 | 浙江大学 | The alcohol concentration measurement apparatus and measuring method of closed vessel |
| CN108152215A (en) * | 2016-12-05 | 2018-06-12 | 高利通科技（深圳）有限公司 | A kind of General portable spectroscopic analysis system |
| CN109342394A (en) * | 2018-11-20 | 2019-02-15 | 立穹(上海)光电科技有限公司 | A kind of handheld Raman spectrometer and implementation method using dual-wavelength laser |
| CN111220542A (en) * | 2019-12-19 | 2020-06-02 | 津海威视技术(天津)有限公司 | Multi-mode identification combined detection equipment and method |
| CN111364986A (en) * | 2020-02-12 | 2020-07-03 | 中国石油天然气集团有限公司 | Device and method for measuring water holding rate of oil-water two-phase flow under oil well |
| CN112129739A (en) * | 2020-09-27 | 2020-12-25 | 山东省科学院激光研究所 | Sensing device based on optical fiber surface enhanced Raman probe and working method |
| CN112945927A (en) * | 2021-01-18 | 2021-06-11 | 吉林大学 | In-situ high-pressure confocal Raman spectrum measurement system |
| CN113252636A (en) * | 2021-05-06 | 2021-08-13 | 河北大学 | Depth recognition Raman spectrum analysis system and analysis method |
| CN113418609A (en) * | 2021-07-15 | 2021-09-21 | 中国科学院半导体研究所 | Raman spectrum testing system |
| CN114414554A (en) * | 2020-10-28 | 2022-04-29 | 中国科学院化学研究所 | System and method for characterizing a mechanoluminescence process |
| CN114441506A (en) * | 2022-04-08 | 2022-05-06 | 港湾之星健康生物(深圳)有限公司 | Quantum magneto-optical sensor |
-
2016
- 2016-03-10 CN CN201620180706.5U patent/CN205384224U/en active Active
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106290300A (en) * | 2016-08-04 | 2017-01-04 | 同方威视技术股份有限公司 | Portable raman spectrometer |
| CN108152215A (en) * | 2016-12-05 | 2018-06-12 | 高利通科技（深圳）有限公司 | A kind of General portable spectroscopic analysis system |
| CN106767457A (en) * | 2016-12-19 | 2017-05-31 | 中国科学院烟台海岸带研究所 | A kind of water-surface oil film method for measuring thickness and device based on raman spectroscopy measurement |
| CN107238595A (en) * | 2017-05-05 | 2017-10-10 | 浙江大学 | The alcohol concentration measurement apparatus and measuring method of closed vessel |
| CN109342394A (en) * | 2018-11-20 | 2019-02-15 | 立穹(上海)光电科技有限公司 | A kind of handheld Raman spectrometer and implementation method using dual-wavelength laser |
| CN109342394B (en) * | 2018-11-20 | 2024-04-30 | 立穹(上海)光电科技有限公司 | Handheld Raman spectrometer adopting dual-wavelength laser and implementation method |
| CN111220542A (en) * | 2019-12-19 | 2020-06-02 | 津海威视技术(天津)有限公司 | Multi-mode identification combined detection equipment and method |
| CN111364986A (en) * | 2020-02-12 | 2020-07-03 | 中国石油天然气集团有限公司 | Device and method for measuring water holding rate of oil-water two-phase flow under oil well |
| CN112129739A (en) * | 2020-09-27 | 2020-12-25 | 山东省科学院激光研究所 | Sensing device based on optical fiber surface enhanced Raman probe and working method |
| CN112129739B (en) * | 2020-09-27 | 2024-03-19 | 山东省科学院激光研究所 | Sensing device based on optical fiber surface enhanced Raman probe and working method |
| CN114414554B (en) * | 2020-10-28 | 2023-09-15 | 中国科学院化学研究所 | System and method for characterizing a mechanoluminescence process |
| CN114414554A (en) * | 2020-10-28 | 2022-04-29 | 中国科学院化学研究所 | System and method for characterizing a mechanoluminescence process |
| CN112945927A (en) * | 2021-01-18 | 2021-06-11 | 吉林大学 | In-situ high-pressure confocal Raman spectrum measurement system |
| CN113252636A (en) * | 2021-05-06 | 2021-08-13 | 河北大学 | Depth recognition Raman spectrum analysis system and analysis method |
| CN113418609A (en) * | 2021-07-15 | 2021-09-21 | 中国科学院半导体研究所 | Raman spectrum testing system |
| CN114441506A (en) * | 2022-04-08 | 2022-05-06 | 港湾之星健康生物(深圳)有限公司 | Quantum magneto-optical sensor |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205384224U (en) | Raman spectroscopy measures experimental apparatus | |
| US20180038798A1 (en) | Portable raman device | |
| US7679745B2 (en) | Time-resolved fluorescence spectrometer for multiple-species analysis | |
| CN102565023A (en) | Device and method for fruit and vegetable pesticide residues based on laser Raman spectrometer | |
| CN110763671B (en) | Small-sized frequency shift excitation Raman detection device | |
| EP2526401A1 (en) | Flow cytometry analysis across optical fiber | |
| CN102539378A (en) | Semiconductor laser array near infrared spectrometer | |
| AT11772U1 (en) | DEVICE FOR IDENTIFYING CELLS | |
| CN102980658A (en) | Micro optical fiber spectrograph | |
| KR20170057672A (en) | Raman signal measuring method and apparatus, and biometric information analyzing apparatus including the Raman signal measuring apparatus | |
| CN105092560A (en) | Device and method for detecting signal intensity of frequency-shift excitation raman spectrum based on tunable laser | |
| CN102313729B (en) | Portable Raman spectrometer | |
| CN101371130B (en) | Optical analyzer | |
| US7446877B2 (en) | All-fiber spectroscopic optical sensor | |
| Archibald et al. | Remote near-IR reflectance measurements with the use of a pair of optical fibers and a Fourier transform spectrometer | |
| Krasnikov et al. | Monte Carlo simulation of the influence of internal optical absorption on the external Raman signal for biological samples | |
| CN108414480B (en) | Crude oil fluorescence measuring device and method | |
| Loumaigne et al. | Time-of-flight photon spectroscopy: a simple scheme to monitor simultaneously spectral and temporal fluctuations of emission on single nanoparticles | |
| CN201477046U (en) | Portable testing terminal for testing multiple laser induced spectra | |
| CN112033539B (en) | Novel transmission type fiber grating spectrometer | |
| CN211347940U (en) | Small frequency shift excitation Raman detection device | |
| CN202710470U (en) | Array type semiconductor laser unit near infrared spectroscopy analysis meter | |
| CN207976398U (en) | A kind of device of auto-focusing formula enhancing raman spectral signal | |
| CN107024466A (en) | A kind of optic probe with self-reference optical fiber | |
| CN111122540A (en) | Multifunctional optical fiber probe system based on time-correlated single photon detection technology |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210903 Address after: 510000 room 901, block a, Zhongda Science Park, building 628, Zhongda Puyuan District, No. 135, Xingang West Road, Haizhu District, Guangzhou, Guangdong Patentee after: Guangzhou Jianguang Technology Co.,Ltd. Address before: 100070 115, 1 floor, 1 building, 10 Spark Road, Fengtai District Science City, Beijing. Patentee before: BEIJING REALLIGHT TECHNOLOGY Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220829 Address after: 710065 4th floor, E3 building, No. 103, Xi'an Semiconductor Industrial Park, No. 125, Jinye Road, high tech Zone, Xi'an, Shaanxi Province Patentee after: Xi'an Xinchuang Yimei technology partnership (L.P.) Address before: 510000 room 901, block a, Zhongda Science Park, building 628, Zhongda Puyuan District, No. 135, Xingang West Road, Haizhu District, Guangzhou, Guangdong Patentee before: Guangzhou Jianguang Technology Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20231114 Address after: Room 301, 3rd Floor, Building 7, Kunpeng Zhizaoyuan, Dongjiangdu Village, Diaotai Street, Fengxi New City, Xi'an City, Shaanxi Province, 712000 Patentee after: Lingsu Medical Technology (Shaanxi) Co.,Ltd. Address before: 710065 4th floor, E3 building, No. 103, Xi'an Semiconductor Industrial Park, No. 125, Jinye Road, high tech Zone, Xi'an, Shaanxi Province Patentee before: Xi'an Xinchuang Yimei technology partnership (L.P.) |
|
| TR01 | Transfer of patent right |