CN109724699A - A kind of imaging system of Raman face battle array high spectrum reflection and transmission double mode - Google Patents
A kind of imaging system of Raman face battle array high spectrum reflection and transmission double mode Download PDFInfo
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- CN109724699A CN109724699A CN201910042380.8A CN201910042380A CN109724699A CN 109724699 A CN109724699 A CN 109724699A CN 201910042380 A CN201910042380 A CN 201910042380A CN 109724699 A CN109724699 A CN 109724699A
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- 238000001069 Raman spectroscopy Methods 0.000 title claims abstract description 62
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- 239000000523 sample Substances 0.000 abstract description 25
- 238000004929 transmission Raman spectroscopy Methods 0.000 abstract description 8
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Abstract
The invention discloses the imaging systems of a kind of Raman face battle array high spectrum reflection and transmission double mode, its main feature is that linear laser and beam expander and double state diaphragm tandem compounds, it is disposed at the acquisition that Raman face battle array EO-1 hyperion is formed in the optical path of imaging system, sample to be tested is carried out to reflect and the Raman face battle array high spectrum image acquisition under transmission mode, the linear laser and beam expander and double state diaphragm tandem compounds are arranged on rotating mechanism, and are switched by the Raman face battle array EO-1 hyperion that rotating mechanism carries out reflection and transmission mode.The acquisition that there is the present invention single pass to be reflected and be transmitted two kinds of Raman face battle array high spectrum images compared with prior art, the shortcomings that not only overcoming single-point or multiple spot Raman spectrometer, a transmission Raman face battle array high light spectrum image-forming function is increased simultaneously, support is provided to probe into the feature of the transmission Raman spectrum of object under test, so as to meet the application demand of different scenes.
Description
Technical field
The present invention relates to spectral imaging technology field, specifically a kind of Raman face battle array high spectrum reflection and transmission bimodulus
The imaging system of formula.
Background technique
Currently, Raman spectroscopy is in the side such as chemistry, high molecular material, material science, biomedicine, Analysis of Cultural Relic
Face is widely used.Raman spectrum has unique advantage in molecular spectrum research field, it can characterize object under test
Structural information, i.e. intramolecule normal mode vibration frequency and the case where related vibration level, to realize contained function in molecule
The identification of group, finally identifies molecular structure, Raman spectroscopy can be competent at qualitative analysis, structural analysis, quantitative analysis it is specific
Task.In view of the great market of Raman spectrometer, domestic and international relevant instrument company is all laid out in this aspect, including match
It is silent fly, must up to Tyke, Switzerland ten thousand is logical, marine optics, such as sea light electricity, spectrum day difficult to understand at, Hua Tairuoan, Tianjin Gangdong, Tongfang prestige view,
Sai Mengsi, five bell optics etc..Also there are more patent deposit in some studies in China mechanisms in terms of Raman spectrometer, such as underwater to swash
Light Raman spectrometer (application number: 201710969838.5), Raman spectrometer light path system (application number:
201810012349.5), (application number: 201510925965.6), dual wavelength swashs for a kind of short wavelength laser chirality Raman spectrometer
Light Raman spectrometer (application number: 201720809001.X) etc..
In terms of Raman image, Shanghai Inst. of Technical Physics, Chinese Academy of Sciences declared patent of invention in 2017: a kind of
The adaptive Raman fluorescence imaging combined system of deep space exploration microcell (application number: 201711426271.3), is related to technical field
In terms of being partial to fluorescence imaging；Suo Long-Ji Telin cancer research association was in authorization patent of invention in 2017: wide visual field Raman image
(application number: 201480012550.3), the technical solution of the patent can only obtain one or more monochromes for equipment and correlation technique
Image.In the paper delivered at home, be published within 2017 in " Journal of Agricultural Engineering " " line scan-type Raman EO-1 hyperion at
In a picture technology non-destructive testing milk powder melamine " text, a kind of Raman Specular Highlight spectrum imaging system is proposed, is not directed to
Transmission Raman Hyperspectral imager.In actual application, for specific task, researcher or engineering staff are usual
Think to obtain reflection and transmission Raman high spectrum image simultaneously.Since Raman spectrometer lacks spatial resolution, therefore it cannot permitted
Multi-field inner extensive use.Although Raman hyperspectral imager provides preferable resolving ideas, it can obtain spectrum simultaneously
With the information of Spatial Dimension, to form a three-dimensional Raman spectral image block, but transmission Raman face battle array height there are no at present
The relevant report of spectrum imaging system, and the open source literature of collection reflection and transmission Raman face battle array Hyperspectral imager.
Summary of the invention
The purpose of the present invention is a kind of Raman face battle array high spectrum reflection designed and transmissions in view of the deficiencies of the prior art
The imaging system of double mode, using linear laser and beam expander and double state diaphragm tandem compounds, the face generated gust laser
Raman face battle array EO-1 hyperion is constituted with dichroscope, realizes that single sweep operation successively captures the Raman face under reflection and transmission both of which
Battle array high spectrum image meets researcher or engineering staff to using single system acquisition of transmission and reflecting surface battle array EO-1 hyperion significantly
The demand of image can obtain the information of spectrum and Spatial Dimension simultaneously, to form a three-dimensional Raman face battle array spectrogram
As block, preferable resolving ideas is provided for Raman face battle array hyperspectral imager, structure is simple, and easy to use, it is convenient to operate, can
By property height, widened application field, in particular the application study and basic research in light spectrum image-forming field provide very big benefit and
It helps.
The object of the present invention is achieved like this: a kind of imaging system of Raman face battle array high spectrum reflection and transmission double mode
System, the Raman Hyperspectral imager including linear laser Yu dichroscope framework, linear laser are arranged in rotating mechanism
On, and reflection and the switching of transmission mode are carried out by rotating mechanism, using image camera, optical splitter and camera lens composition spectrum at
As module is to the sample to be tested being arranged in sample stage, the image for successively carrying out Raman EO-1 hyperion under reflection and transmission mode is adopted
Collection, its main feature is that linear laser and beam expander and double state diaphragm tandem compounds, are disposed at shape in the optical path of imaging system
At the acquisition of Raman face battle array EO-1 hyperion, carries out Raman face battle array high spectrum image of the sample to be tested under reflection and transmission mode and adopt
Collection, the linear laser and beam expander and double state diaphragm tandem compound settings carry out on rotating mechanism, and by rotating mechanism
The battle array EO-1 hyperion switching of the Raman face of reflection and transmission mode；Raman face battle array EO-1 hyperion under the reflective-mode is linear laser
With beam expander and double state diaphragm tandem compounds, the face battle array laser generated is reflected through angularly disposed dichroscope in sample stage
On sample to be tested, constitute reflective-mode Raman face battle array high spectrum image acquisition；Raman face battle array under the transmission mode
EO-1 hyperion is that linear laser and beam expander and double state diaphragm tandem compounds are disposed under sample stage by rotating mechanism, is hung down
It is directly irradiated in the face battle array laser and horizontally disposed dichroscope of sample to be tested upwards, constitutes the Raman face battle array bloom of transmission mode
The acquisition of spectrogram picture.
There is the present invention single pass to be reflected and be transmitted two kinds of Raman face battle array high spectrum images compared with prior art
Acquisition, the shortcomings that not only overcoming single-point or multiple spot Raman spectrometer, while increasing a transmission Raman face battle array EO-1 hyperion
Imaging function provides support to probe into the feature of transmission Raman spectrum of object under test, so as to meet answering for different scenes
Use demand.
Detailed description of the invention
Fig. 1 is schematic structural view of the invention；
Fig. 2 is the diaphragm schematic diagram of fence state one；
Fig. 3 is the diaphragm schematic diagram of fence state two；
Fig. 4 is the Raman face battle array hyper-spectral data gathering schematic diagram of reflective-mode；
Fig. 5 is the Raman face battle array hyper-spectral data gathering schematic diagram of transmission mode.
Specific embodiment
Refering to attached drawing 1, light spectrum image-forming module and dichroic that the present invention is made of image camera 1, optical splitter 2 and camera lens 3
Mirror 6, linear laser 8, sample stage 10, beam expander 14 and double 15 frameworks of state diaphragm form, and the dichroscope 6 is arranged in sample
In optical path between this TV station 10 and light spectrum image-forming module；The string of the linear laser 8 and beam expander 14 and double state diaphragms 15
Connection combination settings carry out reflection on rotating mechanism 16 and switch with the Raman face battle array EO-1 hyperion under transmission mode；The reflective-mode
Under Raman face battle array EO-1 hyperion be linear laser 8 and beam expander 14 and double 15 tandem compounds of state diaphragm, the face generated gust
Laser, in the sample to be tested 11 in sample stage 10, constitutes the Raman face battle array of reflective-mode through the angularly disposed reflection of dichroscope 6
The acquisition of high spectrum image；Raman face battle array EO-1 hyperion under the transmission mode is linear laser 8 and beam expander 14 and double shapes
15 tandem compound of state diaphragm is disposed under sample stage 10 by rotating mechanism 16, is irradiated in the face of sample to be tested 11 vertically upward
Battle array laser and horizontally disposed dichroscope 6 constitute the acquisition of the Raman face battle array high spectrum image of transmission mode；The sample stage
10 are arranged on the displacement platform 9 equipped with translation mechanism, and are to move horizontally with displacement platform 9；The dichroscope 6 is by stepper motor
5 carry out the switching of reflection with transmission mode；The image camera 1 uses CCD, CMOS or EMCCD camera；The optical splitter 2 is adopted
With dispersive spectrometer or tunable spectrometer；The camera lens 3 is using fixed-focus or the optical lens of zoom；The sample stage 10 uses
The translucent materials such as glass production, to meet the acquisition of Raman high spectrum image under transmission mode.
Refering to attached drawing 2, double state diaphragms 15 generate the diaphragm of fence state one.
Refering to attached drawing 3, double state diaphragms 15 generate the diaphragm of fence state two.
The present invention is described in further detail with operating process in particular embodiments below.
Embodiment 1
Refering to attached drawing 4, dichroscope 6 is arranged in the optical path between sample stage 10 and light spectrum image-forming module, linear laser 8
With beam expander 14 and double 15 tandem compound of state diaphragm, and the Raman face of reflective-mode is constituted with angularly disposed dichroscope 6
Battle array high spectrum image acquisition, and power supply 7 is connected with stepper motor 5, linear laser 8, displacement platform 9 and light spectrum image-forming mould respectively
It connects.Linear laser 8 emits linear laser 12 and arrives beam expander 14, and amplified laser generates fence state through double state diaphragms 15
One diaphragm, paliform face battle array laser are reflected on the sample to be tested 11 for being placed in sample stage 10 via dichroscope 6, Raman
It scatters light and passes sequentially through camera lens 3 and optical splitter 2 via dichroscope 6, stop to penetrate with the laser of incident light identical frequency after light splitting
Line enters light spectrum image-forming module, and the acquisition of target area reflection Raman face battle array high spectrum image is carried out by image camera 1, adopts
The data of collection are transmitted to industrial personal computer 4 by mode wirelessly or non-wirelessly and are stored and handled.
Refering to attached drawing 5, after the Raman face battle array EO-1 hyperion for completing reflective-mode is Polaroid, by 15 turns of double state diaphragms
Change to fence state two.Linear laser 8 and the tandem compound of beam expander 14 and double state diaphragms 15 are arranged by rotating mechanism 16
Under sample stage 10, it is irradiated in the face battle array laser and horizontally disposed dichroscope 6 of sample to be tested 11 vertically upward, constitutes transmission
The acquisition of the Raman face battle array high spectrum image of mode.The linear laser 12 that linear laser 8 emits is through beam expander 14 and double states
Diaphragm 15, be converted into fence state two face battle array laser, the face battle array laser be irradiated in vertically upward in sample stage 10 to
Test sample sheet 11 sequentially enters camera lens 3 and optical splitter 2 by dichroscope 6, and the laser with incident light identical frequency is stopped after light splitting
Ray enters light spectrum image-forming module, and the acquisition of target area reflection Raman face battle array high spectrum image is carried out by image camera 1,
The data of acquisition are transmitted to industrial personal computer 4 by mode wirelessly or non-wirelessly and are stored and handled.
Above only the present invention is further illustrated, and not to limit this patent, all is equivalence enforcement of the present invention,
It is intended to be limited solely by within the scope of the claims of this patent.
Claims (1)
1. a kind of imaging system of Raman face battle array high spectrum reflection and transmission double mode, including linear laser and dichroic mirror holder
The Raman Hyperspectral imager of structure, linear laser setting are reflected and are transmitted on rotating mechanism, and by rotating mechanism
The switching of mode, the light spectrum image-forming module formed using image camera, optical splitter and camera lens are to be measured in sample stage to being arranged in
Sample successively carries out the Image Acquisition of Raman EO-1 hyperion under reflection and transmission mode, it is characterised in that linear laser and beam expander
With double state diaphragm tandem compounds, it is disposed at the acquisition for forming Raman face battle array EO-1 hyperion in the optical path of imaging system, is carried out
Sample to be tested is reflecting and the Raman face battle array high spectrum image acquisition under transmission mode, the linear laser and beam expander and pair shape
State diaphragm tandem compound is arranged on rotating mechanism, and the Raman face battle array EO-1 hyperion of reflection and transmission mode is carried out by rotating mechanism
Switching；Raman face battle array EO-1 hyperion under the reflective-mode is linear laser and beam expander and pair state diaphragm tandem compound,
Its face generated battle array laser is reflected through angularly disposed dichroscope in the sample to be tested in sample stage, constitutes the drawing of reflective-mode
The acquisition of graceful face battle array high spectrum image；Raman face battle array EO-1 hyperion under the transmission mode be linear laser and beam expander and pair
State diaphragm tandem compound is disposed under sample stage by rotating mechanism, is irradiated in the face battle array laser of sample to be tested vertically upward
With horizontally disposed dichroscope, the acquisition of the Raman face battle array high spectrum image of transmission mode is constituted.
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2591594Y (en) * | 2002-12-31 | 2003-12-10 | 天津市九维光电科技有限公司 | Variable interference filter spectral small size micro-imaging spectrograph |
| CN103884704A (en) * | 2014-03-10 | 2014-06-25 | 北京理工大学 | Spectral pupil laser confocal Brillouin-Raman spectrum measuring method and device |
| CN107436285A (en) * | 2017-06-20 | 2017-12-05 | 苏州优函信息科技有限公司 | Fast high-flux bloom spectrum detection device and detection method based on linear light source excitation |
-
2019
- 2019-01-17 CN CN201910042380.8A patent/CN109724699A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2591594Y (en) * | 2002-12-31 | 2003-12-10 | 天津市九维光电科技有限公司 | Variable interference filter spectral small size micro-imaging spectrograph |
| CN103884704A (en) * | 2014-03-10 | 2014-06-25 | 北京理工大学 | Spectral pupil laser confocal Brillouin-Raman spectrum measuring method and device |
| CN107436285A (en) * | 2017-06-20 | 2017-12-05 | 苏州优函信息科技有限公司 | Fast high-flux bloom spectrum detection device and detection method based on linear light source excitation |
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Application publication date: 20190507 |