CN207937067U - Compact linear light spectrometer with Bao Weier prism - Google Patents
Compact linear light spectrometer with Bao Weier prism Download PDFInfo
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- CN207937067U CN207937067U CN201820109530.3U CN201820109530U CN207937067U CN 207937067 U CN207937067 U CN 207937067U CN 201820109530 U CN201820109530 U CN 201820109530U CN 207937067 U CN207937067 U CN 207937067U
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- compact
- bao weier
- spectrometer
- weier prism
- diffraction grating
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Abstract
The utility model discloses a kind of compact linear light spectrometer with Bao Weier prism, it is made of compact diffraction grating spectrometer, light pipe, Bao Weier prism, cemented doublet and translating bracket, one end of the light pipe is connected to the external screw thread port of compact diffraction grating spectrometer by threaded hole, the other end of light pipe is connected to the translating bracket for fixing Bao Weier lens, after the optical signals Bao Weier prism emitted from linear region is collected, across double lens, then detected by compact diffraction grating spectrometer.In the utility model, the presence of Bao Weier prism makes system have better measurement efficiency at relatively large distance, while reducing the width of detection line.The better spacescan resolution ratio of smaller detection line width means LD spectrometers.
Description
Technical field
The utility model belongs to spectral imaging technology field, and in particular to a kind of compact linear light with Bao Weier prism
Spectrometer.
Background technology
It is detected in complete biological sample, agricultural remote sensing and environmental monitoring direction, spectral detection are rapidly developing.Spectrum
Detection is upper highly effective in research detected sample composition.Analysis spectroscopic data has many good qualities, highly sensitive such as Noninvasive
It is prepared by degree and minimal sample.For example, fluorescence spectrum has been proved to can be used for the metabolism of nano particle in Study Mouse body
Journey.Raman spectrum can be used for quickly detecting the pesticide residue in fruits and vegetables.
Recently, there is fast development using the technology of single pixel detecting system capture images.For example, Soldevila
Et al. with 8nm spectral resolutions carried out be based on fiber spectrometer and DMD light spectrum image-formings.Using time resolved spectroscopy instrument as single
Pixel detectors, Pian et al. have invented EO-1 hyperion time resolved spectroscopy imaging system.Single pixel imaging technique depends on structure
Light carries out signal acquisition and compressed sensing algorithm carrys out reconstruction image.However, the detection zone of single pixel detector is modified
It studies less.In general, single pixel detector can collect border circular areas light, the spherical lens before detector is depended on.When
When using Bao Weier prism in single pixel detecting system, the region detected can become rectangular space.The length and width of rectangular space
Than being about 86.6, detection zone is considered linear.
Based on background above, a kind of novel imaging spectrum system of the present invention combines spectrometer, light pipe, Bao Weier ribs
Mirror focuses double lens, and the spectroscopic data that spectrometer obtains is transferred to data terminal.Design a imaging spectrometer, Ke Yisui
When the spectral information of biological sample is detected by the device.
Utility model content
1, purpose of utility model.
The utility model provides a kind of compact linear light spectrometer with Bao Weier prism, for the non-of detected sample
Invasive detection can carry out Express Order Wire detection by Bao Weier prism.
2, technical solution used by the utility model.
The present invention proposes a kind of compact linear light spectrometer with Bao Weier prism, including Bao Weier prism, double gluings are thoroughly
Mirror, compact diffraction grating spectrometer, the cemented doublet are placed in inside light pipe, the compact diffraction grating spectrum
External screw thread port is set on instrument, and one end of the light pipe is connected to the external screw thread of compact diffraction grating spectrometer by threaded hole
On port, slit, cemented doublet are set relative to the direction of cemented doublet on the compact diffraction grating spectrometer
Focus overlapped with the slit location of spectrometer, after the optical signals Bao Weier prism of transmitting is collected, pass through cemented doublet, so
It is detected afterwards by compact diffraction grating spectrometer.
Further, the region of the transmitting optical signal is linear region, and linear region optical signal is located at Bao Weier ribs
Mirror upper space.
Further, the Bao Weier prism is mounted on translating bracket, and the other end of light pipe is connected to for fixing
On the translating bracket of Bao Weier lens
Further, the collimated laser beam that linear region is sent out is expanded into one-dimensional straight line and swashed by the Bao Weier lens
Light.
Further, the optical signal that linear region emits is converted to collimated light by the Bao Weier lens.
3, technique effect caused by the utility model.
(1) the utility model proposes the spectrometer with Bao Weier lens will be come from line region using LD spectrometers
The optical signal of all the points is collected simultaneously and focuses on the slit of spectrometer, and then spectrometer obtains the spectrum letter from all the points
Number integral spectroscopic data.In this manner it is achieved that Express Order Wire detects.
(2) the Novel wire spectrometer that the utility model is proposed has merged Bao Weier lens, and the presence of Bao Weier prism makes
The system of obtaining has better measurement efficiency at relatively large distance, can select the area effectively detected by application efficiency threshold value
Domain.Therefore, the overall length of detection line effectively increases.
(3) the utility model combines Bao Weier prism, reduces the width of detection line；Smaller detection line width means
The better spacescan resolution ratio of LD spectrometers；Each frequency spectrum is line integral spectrum, and it includes in corresponding detection line region
All optical information.
Description of the drawings
Fig. 1 is the compact linear light spectrometer light path schematic diagram with Bao Weier prism of the utility model.
Fig. 2 is the compact linear light spectrometer structural schematic diagram with Bao Weier prism of the utility model.
Compact diffraction grating spectrometer 1, cemented doublet 2, Bao Weier prism 3, light pipe 4, external screw thread port 5, translation
Holder 6, linear region optical signal 7
Specific implementation mode
Embodiment 1
The utility model is described in further detail below in conjunction with the accompanying drawings：
The present invention proposes a kind of compact linear light spectrometer with Bao Weier prism, including Bao Weier prism 3, double gluings are thoroughly
Mirror 2, compact diffraction grating spectrometer 1, the cemented doublet 2 are placed in inside light pipe 4, the compact diffraction grating
External screw thread port 5 is set on spectrometer 1, and one end of the light pipe 4 is connected to compact diffraction grating spectrometer by threaded hole
External screw thread port 5 on, on the compact diffraction grating spectrometer 1 relative to the direction of cemented doublet 2 be arranged slit,
The focus of cemented doublet is overlapped with the slit location of spectrometer, after the collection of optical signals Bao Weier prism 3 of transmitting, is passed through double
Then balsaming lens 2 is detected by compact diffraction grating spectrometer 1.The region of the transmitting optical signal is linear region
7, linear region optical signal 7 is located at 3 upper space of Bao Weier prism.The Bao Weier prism 3 is mounted on translating bracket 6,
The other end of light pipe 4 is connected to the translating bracket 6 for fixing Bao Weier lens.
The Bao Weier lens by the collimated laser beam that linear region is sent out expand into one-dimensional linear laser line or
The optical signal that linear region emits is converted into collimated light.
Embodiment 2
Slit is located in spectrometer, and the focus of position and cemented doublet overlaps, and cemented doublet is arranged in 4 inside of light pipe
2, as shown in Figure 1 to Figure 2, a kind of compact linear light spectrometer with Bao Weier prism, by compact diffraction grating spectrometer 1
(LD spectrometers), light pipe 4, Bao Weier prism 3, cemented doublet 2 and translating bracket 6 form, and one end of the light pipe 4 passes through spiral shell
Pit is connected to the external screw thread port 5 of compact diffraction grating spectrometer, and the other end of light pipe is connected to for fixing Bao Weier
On the translating bracket 6 of lens, after the optical signals Bao Weier prism collection that linear region emits, double lens is passed through, is then led to
Cross the detection of compact diffraction grating spectrometer.
Using compact diffraction grating spectrometer as detection module.Then cemented doublet is controlled using light pipe.It is logical
Often, one collimated laser beam can be expanded into one-dimensional linear laser line using Bao Weier lens.Reversible nature based on light, Bao
The light emitted from linear region can also be converted to collimated light by Weir prism.Then the collimated light is gathered by cemented doublet
In coke to the slit of spectrometer, then detected by spectrometer.
When using Bao Weier prism in detecting system, the region that detects can become rectangular space, and detection zone can be with
It is considered linear.The light emitted from " linear region " is converted to collimated light by Bao Weier prism, is then passed through it double
Mirror focuses on the slit of spectrometer.The LD spectrometers calibrate the light emitted from linear region and utilization using Bao Weier prism
Double lens focuses light on slit.When focusing light by the slit in spectrometer, after diffraction module and detection module, Ke Yi
A spectral signal is obtained in data collecting system.In general, detection sample is made of multiple and different components.Therefore, spectrum is believed
Number it is the mixing of reflection (or fluorescence) light from all these elements.
Based on the spectrum detected, we can collect spectral signal from linear region, provide estimation detected sample
The ability of composition.By the manual scanning of spectrometer, quantitative analysis and material identification, by taking banana as an example, Ke Yijian can be carried out
The Chlorophylls and Carotenoids in Banana swatches are surveyed, Banana swatches can also be scanned and identify that Banana swatches are in maturity
Which in stage.
Above-described embodiment is the preferable embodiment of the utility model, but the embodiment of the utility model is not by above-mentioned
The limitation of embodiment, under other any Spirit Essences and principle without departing from the utility model made by change, modify, replace
In generation, simplifies combination, should be equivalent substitute mode, is included within the scope of protection of the utility model.
Claims (5)
1. a kind of compact linear light spectrometer with Bao Weier prism, it is characterised in that：Thoroughly including Bao Weier prism, double gluings
Mirror, compact diffraction grating spectrometer, the cemented doublet are placed in inside light pipe, the compact diffraction grating spectrum
External screw thread port is set on instrument, and one end of the light pipe is connected to the external screw thread of compact diffraction grating spectrometer by threaded hole
On port, slit, cemented doublet are set relative to the direction of cemented doublet on the compact diffraction grating spectrometer
Focus overlapped with the slit location of spectrometer, after the optical signals Bao Weier prism of transmitting is collected, pass through cemented doublet, so
It is detected afterwards by compact diffraction grating spectrometer.
2. the compact linear light spectrometer according to claim 1 with Bao Weier prism, it is characterised in that：The transmitting
The region of optical signal is linear region, and linear region optical signal is located at Bao Weier prism upper space.
3. the compact linear light spectrometer according to claim 1 with Bao Weier prism, it is characterised in that：The Bao Wei
You are mounted on translating bracket prism, and the other end of light pipe is connected to the translating bracket for fixing Bao Weier prism.
4. compact linear light spectrometer according to claim 2, it is characterised in that：The Bao Weier prism sends out linear region
The collimated laser beam gone out expands into one-dimensional linear laser line.
5. compact linear light spectrometer according to claim 2, it is characterised in that：The Bao Weier prism sends out linear region
The optical signal penetrated is converted to collimated light.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820109530.3U CN207937067U (en) | 2018-01-23 | 2018-01-23 | Compact linear light spectrometer with Bao Weier prism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820109530.3U CN207937067U (en) | 2018-01-23 | 2018-01-23 | Compact linear light spectrometer with Bao Weier prism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207937067U true CN207937067U (en) | 2018-10-02 |
Family
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| Application Number | Title | Priority Date | Filing Date |
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| CN201820109530.3U Active CN207937067U (en) | 2018-01-23 | 2018-01-23 | Compact linear light spectrometer with Bao Weier prism |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111487603A (en) * | 2020-04-20 | 2020-08-04 | 深圳奥锐达科技有限公司 | Laser emission unit and manufacturing method thereof |
| CN112260053A (en) * | 2020-10-23 | 2021-01-22 | 长春理工大学 | High-efficiency stacked-array semiconductor laser |
-
2018
- 2018-01-23 CN CN201820109530.3U patent/CN207937067U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111487603A (en) * | 2020-04-20 | 2020-08-04 | 深圳奥锐达科技有限公司 | Laser emission unit and manufacturing method thereof |
| CN112260053A (en) * | 2020-10-23 | 2021-01-22 | 长春理工大学 | High-efficiency stacked-array semiconductor laser |
| CN112260053B (en) * | 2020-10-23 | 2023-01-03 | 长春理工大学 | High-efficiency stacked-array semiconductor laser |
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