CN106248210B - A kind of quasi- entity lateral shear interferometer - Google Patents
A kind of quasi- entity lateral shear interferometer Download PDFInfo
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- CN106248210B CN106248210B CN201610616912.0A CN201610616912A CN106248210B CN 106248210 B CN106248210 B CN 106248210B CN 201610616912 A CN201610616912 A CN 201610616912A CN 106248210 B CN106248210 B CN 106248210B
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- 239000011521 glass Substances 0.000 claims abstract description 11
- 230000001681 protective effect Effects 0.000 claims abstract description 11
- 230000005540 biological transmission Effects 0.000 claims description 41
- 238000007747 plating Methods 0.000 claims description 6
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 2
- 239000011248 coating agent Substances 0.000 claims 1
- 238000000576 coating method Methods 0.000 claims 1
- 230000003287 optical effect Effects 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 238000010008 shearing Methods 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 239000005342 prism glass Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 230000003595 spectral effect Effects 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
- G01J3/28—Investigating the spectrum
- G01J3/45—Interferometric spectrometry
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
- G01J3/12—Generating the spectrum; Monochromators
- G01J3/26—Generating the spectrum; Monochromators using multiple reflection, e.g. Fabry-Perot interferometer, variable interference filters
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B17/00—Systems with reflecting surfaces, with or without refracting elements
- G02B17/08—Catadioptric systems
- G02B17/0856—Catadioptric systems comprising a refractive element with a reflective surface, the reflection taking place inside the element, e.g. Mangin mirrors
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- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Instruments For Measurement Of Length By Optical Means (AREA)
Abstract
The invention belongs to optical field more particularly to a kind of quasi- entity lateral shear interferometers.Incident pentagonal prism and outgoing pentagonal prism are fixed together by way of glued forms pentagonal prism component; protective glass and lower protective glass are glued at respectively on pentagonal prism component on interferometer; incident diaphragm, outgoing diaphragm and long-armed mirror assembly are fixed to pentagonal prism component by way of glued, and long-armed speculum is repaiied to cut to pad and is mounted on long-armed speculum microscope base by four screws on long-armed speculum installing plate.The beneficial effects of the invention are as follows：1st, it is easy to adjust：Long-armed mirror angle and position can cut pad adjustment by repairing, and precision easy to adjust is high；2nd, it is good in orbital stability：Interferometer core is the pentagonal prism of two pieces of entities, avoids performance change caused by the in-orbit thermal deformation of structural member.
Description
Technical field
The invention belongs to optical field more particularly to a kind of quasi- entity lateral shear interferometers.
Background technology
Load in satellite launch lift-off, Separation, the flight of change rail and returns to the processes such as landing on space satellite and star
The middle space environment for needing to undergo the complexity such as overweight, weightless, vibration, impact, vacuum, low temperature, this just carries loading device on star
Very high requirement is gone out, influence interferometer performance mainly has temperature change and mechanical environment etc..Due to there is no air in space
Extreme cold when can absorb the thermal energy of sunlight and alleviate away from the sun, thus temperature change is very big.Although in star
Load generally has Active thermal control to ensure the stability of temperature, but unavoidably has the temperature fluctuation in several years；Space flight
The mechanical environment that load is mainly undergone includes the acceleration dynamics environment of launching phase, shock environment and vibration environment and enters
Weightlessness after rail etc..
On the one hand these space environments can cause interferometer structure to destroy, local buckling, make its disabler, on the other hand
The hydraulic performance decline of interferometer can be caused, so as to influence the spectral resolution of spectrometer, spectrum accuracy various aspects, and this
Kind influences with the increase of interferometer volume and clear aperture to increase.This just setting to the core devices interferometer of spectrometer
Meter proposes very high request, it has to be possible to adapt to the variation of these environmental conditions, and to ensure having under these conditions
There is good performance stability.Currently used Sagnac types lateral shear interferometer is there are two types of form, solid type and split type,
Wherein solid type has the characteristics that high stable, but due to being needed in the debugging process of ground by two pentagonal prism primary gluings
It forms, does not possess adjustability, so bringing very big difficulty to the processing and debugging of instrument, and inevitably bring remaining miss
Difference is into subsequent optical path.Split type interferometer constrains its hair just on the contrary, with good scalability in orbital stability
Exhibition application.
The content of the invention
Problem to be solved by this invention is to provide a kind of quasi- entity lateral shear interferometer, can have both solid type interference
The adjustability of the stability of instrument and split type interferometer can improve the adjustment accuracy of instrument and in orbital stability.
Present invention technical solution used to solve above-mentioned technical problem is to provide a kind of quasi- entity lateral shearing interference
Instrument is characterized in that：Including incident pentagonal prism, outgoing pentagonal prism, incident diaphragm, outgoing diaphragm and long-armed speculum
Component；
Wherein three adjacent mirror facets edges of above-mentioned incidence pentagonal prism are followed successively by echo area one, incidence zone, light splitting counterclockwise
Qu Yi, transmission area one, above-mentioned echo area one and incidence zone are located on two independent minute surfaces respectively, splitting area one and transmission area one
On same minute surface；
Wherein three adjacent mirror facets edges of above-mentioned outgoing pentagonal prism are followed successively by transmission area two, splitting area two, go out counterclockwise
Area, transmission area three are penetrated, above-mentioned outgoing area and transmission area three are located on two independent minute surfaces respectively, transmission area two and splitting area two
On same minute surface；
Above-mentioned incidence diaphragm is arranged on incidence zone, and outgoing diaphragm is arranged on outgoing area, and long-armed mirror assembly is arranged on
Penetrate area three；
Minute surface where above-mentioned splitting area one and transmission area and transmission area two and two place minute surface of splitting area are glued.
Above-mentioned incidence pentagonal prism is identical with outgoing pentagonal prism shape.
Glued upper protective glass and the lower protection respectively of the top and bottom of above-mentioned incidence pentagonal prism and outgoing pentagonal prism
Glass.
Above-mentioned lower protective glass bottom is fixedly connected with pedestal.
Anti-reflection film is plated in above-mentioned incidence zone, and semi-transparent semi-reflecting film is plated in splitting area one, and transmission area one plates anti-reflection film, echo area plating reflection
Transmission film is plated in film, outgoing area plating anti-reflection film, splitting area two, and transmission area two plates anti-reflection film, and transmission area three plates transmission film.
Above-mentioned long-armed mirror assembly includes long-armed speculum installing plate, long-armed speculum is repaiied and cuts pad, long-armed mirror
Seat, long-armed speculum and long-armed speculum trim ring, above-mentioned long-armed speculum are arranged on outgoing five by long-armed speculum installing plate
Long-armed speculum is provided on the transmission area three of angle prism, between long-armed speculum microscope base and long-armed speculum installing plate repaiies cut
Pad, long-armed speculum trim ring are bonded with long-armed speculum microscope base inner wall.
The beneficial effects of the invention are as follows：
1st, it is easy to adjust：Long-armed mirror angle and position can cut pad adjustment by repairing, and precision easy to adjust is high.
2nd, it is good in orbital stability：Interferometer core is the pentagonal prism of two pieces of entities, avoids the in-orbit thermal deformation of structural member
Caused performance change.
Description of the drawings
Fig. 1 is specific embodiment dimensional structure diagram；
Fig. 2 is plan front view where outgoing pentagonal prism；
Fig. 3 is plan front view where long-armed mirror assembly；
Fig. 4 is plan front view where incident pentagonal prism；
Fig. 5 is long-armed mirror assembly structure diagram；
Fig. 6 is incident pentagonal prism subregion schematic diagram；
Fig. 7 is outgoing pentagonal prism subregion schematic diagram；
Fig. 8 is light path schematic diagram inside specific embodiment；
In figure, 1- pedestals, the upper protective glass of 2-, 3- incidence diaphragms, 4- outgoing diaphragms, the long-armed mirror assemblies of 5-, under 6-
Protective glass, 7- incidence pentagonal prisms, 8- outgoing pentagonal prisms, 9- incidence zones, 10- splitting areas one, 11- transmission areas three, 12- long
Arm speculum, 13- transmission areas two, 14- echo areas one, 15- outgoing area, 16- transmission areas one, 17- splitting areas two, 18- are long-armed anti-
It penetrates mirror and repaiies and cut pad, the long-armed speculum microscope bases of 19-, the long-armed speculum installing plates of 20-.
Specific embodiment
The present invention is described in detail with reference to specific embodiments and the drawings explanation.
Specific embodiment of the invention structure is as shown in Fig. 1~Fig. 7：Incident pentagonal prism 7 and outgoing pentagonal prism 8 pass through glue
The mode of conjunction, which is fixed together, forms pentagonal prism component, and protective glass 2 and lower protective glass 6 are glued at five respectively on interferometer
On angle prism component, incident diaphragm 3, outgoing diaphragm 4 and long-armed mirror assembly 5 are fixed to pentagonal prism by way of glued
Component, long-armed speculum, which is repaiied, cuts pad 18 and long-armed speculum microscope base 19 by four screws mounted on long-armed speculum installing plate 20
On.
Internal light path as shown in figure 8, light beam after incident diaphragm 3, through 7 incidence zone of interferometer incidence pentagonal prism
9 enter splitting area 1, and light beam is divided into transmitted light and reflected light two-way through semi-transparent semi-reflecting film in splitting area 1.Wherein
Transmitted light, into outgoing pentagonal prism 8, long-armed 12 surface of speculum is transmitted to by transmission area 3 11 behind splitting area 1,
Using the transmission of transmission area 3 11, the transmission of transmission area 2 13, the reflection of echo area 1, the transmission of splitting area 1, process after reflection
It is emitted area 15 and outgoing diaphragm 4 projects interferometer；Reflected light transmits, thoroughly by the reflection of echo area 1, transmission area 1 simultaneously
It penetrates area 3 11 and is transmitted to long-armed 12 surface of speculum, reflect, pass through using the transmission of transmission area 3 11, splitting area 2 17 after reflection
It is emitted area 15 and outgoing diaphragm 4 projects interferometer.
Thus by light beam be divided into direction it is identical, have certain transverse translation amount two-beam.By adjusting interferometer
Long-armed speculum, which is repaiied, cuts pad, adjusts the size of shearing displacement.
Claims (5)
1. a kind of quasi- entity lateral shear interferometer, it is characterised in that：Including incident pentagonal prism, outgoing pentagonal prism, incidence
Diaphragm, outgoing diaphragm and long-armed mirror assembly；
Wherein three adjacent mirror facets of the incidence pentagonal prism along be followed successively by counterclockwise echo area one, incidence zone, splitting area one,
Transmission area one, the echo area one and incidence zone are located on two independent minute surfaces respectively, and splitting area one and transmission area one are located at
On same minute surface；
Wherein three adjacent mirror facets of the outgoing pentagonal prism along be followed successively by counterclockwise transmission area two, splitting area two, outgoing area,
Transmission area three, the outgoing area and transmission area three are located on two independent minute surfaces respectively, and transmission area two and splitting area two are located at
On same minute surface；
The incidence diaphragm is arranged on incidence zone, and outgoing diaphragm is arranged on outgoing area, and long-armed mirror assembly is arranged on transmission area
Three；Minute surface where the splitting area one and transmission area and transmission area two and two place minute surface of splitting area are glued；
The long-armed mirror assembly includes long-armed speculum installing plate, long-armed speculum is repaiied and cuts pad, long-armed speculum microscope base, length
Arm speculum and long-armed speculum trim ring, the long-armed speculum are arranged on outgoing pentagonal prism by long-armed speculum installing plate
Transmission area three on, long-armed speculum be provided between long-armed speculum microscope base and long-armed speculum installing plate repair and cut pad, it is long-armed
Speculum trim ring is bonded with long-armed speculum microscope base inner wall.
2. a kind of quasi- entity lateral shear interferometer according to claim 1, it is characterised in that：The incidence pentagonal prism
It is identical with outgoing pentagonal prism shape.
3. a kind of quasi- entity lateral shear interferometer according to claim 1, it is characterised in that：The incidence pentagonal prism
With the glued upper protective glass of top and bottom difference of outgoing pentagonal prism and lower protective glass.
4. a kind of quasi- entity lateral shear interferometer according to claim 3, it is characterised in that：The lower protective glass bottom
Portion is fixedly connected with pedestal.
5. a kind of quasi- entity lateral shear interferometer according to claim 1, it is characterised in that：The incidence zone plating is anti-reflection
Semi-transparent semi-reflecting film is plated in film, splitting area one, and transmission area one plates anti-reflection film, echo area plating reflectance coating, outgoing area plating anti-reflection film, splitting area
Two plating transmission films, transmission area two plate anti-reflection film, and transmission area three plates transmission film.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610616912.0A CN106248210B (en) | 2016-07-29 | 2016-07-29 | A kind of quasi- entity lateral shear interferometer |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610616912.0A CN106248210B (en) | 2016-07-29 | 2016-07-29 | A kind of quasi- entity lateral shear interferometer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106248210A CN106248210A (en) | 2016-12-21 |
| CN106248210B true CN106248210B (en) | 2018-05-29 |
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| CN201610616912.0A Active CN106248210B (en) | 2016-07-29 | 2016-07-29 | A kind of quasi- entity lateral shear interferometer |
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| CN111308731B (en) * | 2020-02-20 | 2021-05-18 | 中国科学院西安光学精密机械研究所 | Gluing method of physical sagnac interferometer |
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| CN2704831Y (en) * | 2003-12-25 | 2005-06-15 | 中国科学院西安光学精密机械研究所 | Transverse cutting interferometers |
| JP2010048552A (en) * | 2006-12-14 | 2010-03-04 | Osaka Univ | Nondestructive inspecting device and method |
| CN104568829B (en) * | 2013-10-14 | 2017-04-19 | 北京信息科技大学 | Gas detection system using fiber laser with function of active feedback compensation of reference cavity |
| CN105371953B (en) * | 2015-12-01 | 2017-06-27 | 中国科学院上海技术物理研究所 | A kind of universal portable object spectrum imager |
| CN205940769U (en) * | 2016-07-29 | 2017-02-08 | 中国科学院西安光学精密机械研究所 | Accurate entity transverse shear interferometer |
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