CN103267574B - A kind of static Fourier transform spectrometer - Google Patents
A kind of static Fourier transform spectrometer Download PDFInfo
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- CN103267574B CN103267574B CN201310203010.0A CN201310203010A CN103267574B CN 103267574 B CN103267574 B CN 103267574B CN 201310203010 A CN201310203010 A CN 201310203010A CN 103267574 B CN103267574 B CN 103267574B
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- reflecting mirror
- permeable
- directional light
- optical waveguide
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Abstract
The present invention relates to a kind of static Fourier transform spectrometer, comprise lens combination, the directional light direct projection that described lens combination is formed is in semi-permeable and semi-reflecting mirror, a part of directional light is reflexed to optical waveguide by described semi-permeable and semi-reflecting mirror, another part directional light is transmitted on completely reflecting mirror by described semi-permeable and semi-reflecting mirror, another part directional light is reflexed to optical waveguide by described completely reflecting mirror, and two parts directional light forms interference signal in optical waveguide, and described interference signal is gathered by detecting device and forms interference illustration.This static Fourier transform spectrometer only just can realize the interference of detected light by semi-permeable and semi-reflecting mirror, reach 100% in the utilization factor principle of light; Without the need to mechanical scanning, fast to the picking rate of light, to the collecting efficiency of light high and stable in handling process, easily safeguard.
Description
Technical field
The present invention relates to a kind of static Fourier transform spectrometer.
Background technology
Conventional Fourier transform spectrometer, generally adopt semi-transparent semi-reflecting lens two-beam line to be merged realize interfering, the problem caused is: the energy arriving detecting device from principle only has 50% of projectile energy, loss half energy.Conventional Fourier transform spectrometer, the mode of mechanical scanning is generally adopted to read, although this mode sweep limit is large, but due to the precision problem of mechanical motion, and having derived many other problemses, such as difficulty of processing is large, cost is high, instrument build is large, maintenance cost is high, be not suitable for movement etc.
Summary of the invention
The present invention is directed to above-mentioned prior art Problems existing and make improvement, namely technical matters to be solved by this invention is to provide the high static Fourier transform spectrometer of a kind of light utilization efficiency.
In order to solve the problems of the technologies described above, technical scheme of the present invention is: a kind of static Fourier transform spectrometer, comprise lens combination, the directional light direct projection that described lens combination is formed is in semi-permeable and semi-reflecting mirror, a part of directional light is reflexed to optical waveguide by described semi-permeable and semi-reflecting mirror, another part directional light is transmitted on completely reflecting mirror by described semi-permeable and semi-reflecting mirror, another part directional light is reflexed to optical waveguide by described completely reflecting mirror, two parts directional light forms interference signal in optical waveguide, and described interference signal is gathered by detecting device and forms interference illustration.
Further, the type of described optical waveguide be in zero dimension waveguide, one-dimensional wave guide and two-dimensional waveguide any one, any two combination or the combination of three kinds.
Further, the quantity N of described zero dimension waveguide
0>=1, the quantity N of described one-dimensional wave guide
1>=1, the quantity N of described two-dimensional waveguide
2>=1.
Further, described semi-permeable and semi-reflecting mirror and completely reflecting mirror less parallel are arranged, and make the two bundle directional light extended lines reflected from semi-permeable and semi-reflecting mirror and completely reflecting mirror respectively converge and be injected into optical waveguide.
Further, described detecting device is array detecting device.
Compared with prior art, the present invention has following beneficial effect: this static Fourier transform spectrometer only just can realize the interference of detected light by semi-permeable and semi-reflecting mirror, reach 100% in the utilization factor principle of light; Without the need to mechanical scanning, to the picking rate of light fast and stable in handling process, easily safeguard.
Below in conjunction with the drawings and specific embodiments, the present invention will be further described in detail.
Accompanying drawing explanation
Fig. 1 is the principle schematic of the embodiment of the present invention.
In figure: 1-lens combination, 2-semi-permeable and semi-reflecting mirror, 3-optical waveguide, 4-completely reflecting mirror, 5-detecting device.
Embodiment
As shown in Figure 1, a kind of static Fourier transform spectrometer, comprise lens combination 1, the directional light direct projection that described lens combination 1 is formed is in semi-permeable and semi-reflecting mirror 2, a part of directional light is reflexed to optical waveguide 3 by described semi-permeable and semi-reflecting mirror 2, another part directional light is transmitted on completely reflecting mirror 4 by described semi-permeable and semi-reflecting mirror 2, another part directional light is reflexed to optical waveguide 3 by described completely reflecting mirror 4, two parts directional light forms interference signal in optical waveguide 3, and described interference signal is gathered by detecting device 5 and forms interference illustration.
In the present embodiment, described semi-permeable and semi-reflecting mirror 2 is arranged with completely reflecting mirror 4 less parallel, and distance is therebetween d, converges to make the two bundle directional light extended lines reflected from semi-permeable and semi-reflecting mirror 2 and completely reflecting mirror 4 respectively and is injected into optical waveguide 3; The angle reflexing to two parts directional light of optical waveguide 3 is θ; In actual applications, according to the character of optical waveguide 3, improve the collecting efficiency of optical waveguide 3 to light, to realize the maximum utilization of luminous energy by optimizing d and θ.
In the present embodiment, in order to gather light and form interference, the type of described optical waveguide 3 be in zero dimension waveguide, one-dimensional wave guide and two-dimensional waveguide any one, any two combination or the combination of three kinds; The quantity N of described zero dimension waveguide
0>=1, the quantity N of described one-dimensional wave guide
1>=1, the quantity N of described two-dimensional waveguide
2>=1; That is, described optical waveguide 3 can be single zero dimension waveguide, single one-dimensional wave guide or single two-dimensional waveguide, also can be formed by connecting by two or more identical or different waveguides.
In the present embodiment, in order to gather interference signal and form interference illustration, described detecting device 5 is array detecting device, can be specifically the array detecting device of CCD, CMOS or other type.
The foregoing is only preferred embodiment of the present invention, all equalizations done according to the present patent application the scope of the claims change and modify, and all should belong to covering scope of the present invention.
Claims (4)
1. a static Fourier transform spectrometer, comprise lens combination, it is characterized in that: the directional light direct projection that described lens combination is formed is in semi-permeable and semi-reflecting mirror, a part of directional light is reflexed to optical waveguide by described semi-permeable and semi-reflecting mirror, another part directional light is transmitted on completely reflecting mirror by described semi-permeable and semi-reflecting mirror, another part directional light is reflexed to optical waveguide by described completely reflecting mirror, described semi-permeable and semi-reflecting mirror and completely reflecting mirror less parallel are arranged, the two bundle directional light extended lines reflected from semi-permeable and semi-reflecting mirror and completely reflecting mirror are respectively made to converge and be injected into optical waveguide, two parts directional light forms interference signal in optical waveguide, described interference signal is gathered by detecting device and forms interference illustration.
2. a kind of static Fourier transform spectrometer according to claim 1, is characterized in that: the type of described optical waveguide be in zero dimension waveguide, one-dimensional wave guide and two-dimensional waveguide any one, any two combination or the combination of three kinds.
3. a kind of static Fourier transform spectrometer according to claim 2, is characterized in that: the quantity N of described zero dimension waveguide
0>=1, the quantity N of described one-dimensional wave guide
1>=1, the quantity N of described two-dimensional waveguide
2>=1.
4. a kind of static Fourier transform spectrometer according to claim 1, is characterized in that: described detecting device is array detecting device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310203010.0A CN103267574B (en) | 2013-05-28 | 2013-05-28 | A kind of static Fourier transform spectrometer |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310203010.0A CN103267574B (en) | 2013-05-28 | 2013-05-28 | A kind of static Fourier transform spectrometer |
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| Publication Number | Publication Date |
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| CN103267574A CN103267574A (en) | 2013-08-28 |
| CN103267574B true CN103267574B (en) | 2015-09-16 |
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| CN201310203010.0A Expired - Fee Related CN103267574B (en) | 2013-05-28 | 2013-05-28 | A kind of static Fourier transform spectrometer |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102015208796A1 (en) * | 2015-05-12 | 2016-11-17 | Technische Universität München | Static Fourier transform spectrometer |
| CN109964104B (en) * | 2018-07-17 | 2021-08-27 | 香港应用科技研究院有限公司 | Compact spectrometer with reflective wedge structure |
| US10830641B2 (en) * | 2018-07-17 | 2020-11-10 | Hong Kong Applied Science And Technology Research Institute Co., Ltd. | Compact spectrometer having reflective wedge structure |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7034935B1 (en) * | 2003-03-24 | 2006-04-25 | Mpb Technologies Inc. | High performance miniature spectrometer |
| CN101799327A (en) * | 2010-03-18 | 2010-08-11 | 西安交通大学 | Passive static triangle common path interference imaging spectral full-polarization detecting device |
| CN102322956A (en) * | 2011-05-20 | 2012-01-18 | 中国科学院上海光学精密机械研究所 | Rotating mirror type Fourier interference imaging spectrometer |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7361501B2 (en) * | 2005-09-30 | 2008-04-22 | Intel Corporation | Miniaturized spectrometer using optical waveguide and integrated Raman system on-chip |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7034935B1 (en) * | 2003-03-24 | 2006-04-25 | Mpb Technologies Inc. | High performance miniature spectrometer |
| CN101799327A (en) * | 2010-03-18 | 2010-08-11 | 西安交通大学 | Passive static triangle common path interference imaging spectral full-polarization detecting device |
| CN102322956A (en) * | 2011-05-20 | 2012-01-18 | 中国科学院上海光学精密机械研究所 | Rotating mirror type Fourier interference imaging spectrometer |
Non-Patent Citations (1)
| Title |
|---|
| "一种静态傅里叶变换红外光谱仪的光学***分析与设计";付建国 等;《光学学报》;20120229;第32卷(第2期);0222006-1-8 * |
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Granted publication date: 20150916 Termination date: 20170528 |