CN106768329A - A kind of space far ultraviolet high sensitivity ionosphere imager - Google Patents
A kind of space far ultraviolet high sensitivity ionosphere imager Download PDFInfo
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- CN106768329A CN106768329A CN201611131954.1A CN201611131954A CN106768329A CN 106768329 A CN106768329 A CN 106768329A CN 201611131954 A CN201611131954 A CN 201611131954A CN 106768329 A CN106768329 A CN 106768329A
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- Prior art keywords
- mirror
- imager
- high sensitivity
- ionosphere
- far ultraviolet
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- 230000035945 sensitivity Effects 0.000 title claims abstract description 23
- 239000005433 ionosphere Substances 0.000 title claims abstract description 22
- 230000003287 optical effect Effects 0.000 claims abstract description 20
- 238000012546 transfer Methods 0.000 claims abstract description 5
- 229910001632 barium fluoride Inorganic materials 0.000 claims description 12
- 229910001635 magnesium fluoride Inorganic materials 0.000 claims description 12
- 238000013461 design Methods 0.000 claims description 7
- 238000005457 optimization Methods 0.000 claims description 6
- 229910005693 GdF3 Inorganic materials 0.000 claims description 3
- 101000929049 Xenopus tropicalis Derriere protein Proteins 0.000 claims description 3
- WUKWITHWXAAZEY-UHFFFAOYSA-L calcium difluoride Chemical compound [F-].[F-].[Ca+2] WUKWITHWXAAZEY-UHFFFAOYSA-L 0.000 claims description 3
- 229910001634 calcium fluoride Inorganic materials 0.000 claims description 3
- 239000002131 composite material Substances 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 claims description 3
- 230000000737 periodic effect Effects 0.000 claims description 3
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 claims description 2
- 238000003384 imaging method Methods 0.000 abstract description 26
- 230000004044 response Effects 0.000 abstract description 7
- 230000005855 radiation Effects 0.000 abstract description 6
- 230000003595 spectral effect Effects 0.000 abstract description 4
- 238000001228 spectrum Methods 0.000 description 9
- 238000001514 detection method Methods 0.000 description 5
- 230000005764 inhibitory process Effects 0.000 description 5
- 230000004313 glare Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 239000005441 aurora Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 150000002222 fluorine compounds Chemical class 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000002310 reflectometry Methods 0.000 description 1
- MEYZYGMYMLNUHJ-UHFFFAOYSA-N tunicamycin Natural products CC(C)CCCCCCCCCC=CC(=O)NC1C(O)C(O)C(CC(O)C2OC(C(O)C2O)N3C=CC(=O)NC3=O)OC1OC4OC(CO)C(O)C(O)C4NC(=O)C MEYZYGMYMLNUHJ-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
- G01J3/2823—Imaging spectrometer
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- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- General Physics & Mathematics (AREA)
- Optical Filters (AREA)
Abstract
The invention discloses a kind of space far ultraviolet high sensitivity ionosphere imager, including main body, first mirror, secondary mirror, three mirrors and photon counting detector, wherein, three speculums are successively set in main body along light direction of transfer, and narrowband reflection multilayer film or band logical reflection multilayer film are coated with its three speculums；Photon counting detector is arranged in main body and is located at optical line terminal；Above-mentioned imager is according to the radiation characteristic of imageable target to the spectral response bandwidth requirement of imaging system, the reflection multilayer film of relevant work wave band is directly coated with mirror surface, so as to simplify system light path, reduce volume, mitigate weight, reduce and develop difficulty and cost, and photon counting detector can improve imaging system response efficiency on the premise of optical system bore is not increased, and weak target can be imaged with counting form, and dark noise is extremely low, its imaging signal to noise ratio is far above general weak target imaging detector, the purpose of detectivity is improved so as to reach.
Description
Technical field
The present invention relates to extreme ultraviolet region spatial weak target imaging Detection Techniques field, more particularly to a kind of space is far purple
Outer high sensitivity ionosphere imager.
Background technology
With the development of space technology, it is more and more the need for space extreme ultraviolet region target is carried out high sensitivity into
As detection, realize that the target to deep space target, terrestrial space target and in extra-atmospheric flight produces faint far ultraviolet ripple
Section radiation carries out highly sensitive imaging detection.Especially produced in space to ground ball plasmasphere, ionosphere and aurora
Extreme ultraviolet region radiation imaging observation, by the monitoring of the extreme ultraviolet region that is produced to these terrestrial space targets radiation,
The mechanism of near earth space environment change can be studied, space environment is forecast, is space weather forecast and space environment Changeement
Observation data are provided.
At present, not yet there is space far ultraviolet Image-forming instrument operation on orbit the country；External space far ultraviolet imaging detection instrument
Device is using the light splitting of grating spectrum instrument, all band through ultraviolet preposition optical system imaging, image intensifying type CCD collection target figures
The mechanical-optical setup form of picture.This principle apparatus structure is complicated, and volume is big, and quality is again, it is necessary to bigger installation dimension and load
Weight, develops difficulty and cost all than larger, and image intensifying type CCD detectivity can not meet some atomic weak signal targets into
The demand of picture.
Therefore, how a kind of space far ultraviolet imaging device is provided, makes its simple structure, small volume, lightweight, reduction is ground
Difficulty processed and cost, and detectivity higher is made it have, as those skilled in the art's important technology urgently to be resolved hurrily
Problem.
The content of the invention
In view of this, the invention provides a kind of space far ultraviolet high sensitivity ionosphere imager, it is tied to reach
Structure is simple, small volume, lightweight, reduces and develops difficulty and cost, and makes it have the purpose of detectivity higher.
To achieve the above object, the present invention provides following technical scheme：
A kind of space far ultraviolet high sensitivity ionosphere imager, including：
Main body；
It is successively set on first mirror in the main body, secondary mirror and three mirrors along light direction of transfer, the first mirror, described time
Narrowband reflection multilayer film or band logical reflection multilayer film are coated with mirror and three mirror；
It is arranged in the main body and is located at the photon counting detector of optical line terminal.
Preferably, can be coated with the first mirror, the secondary mirror and three mirror by fluoride LaF2, MgF2, BaF2,
2 kinds or the non-periodic multilayer of various composition material optimization designs in CaF2, AlF2 and GdF3.
Preferably, the first mirror, the secondary mirror and three mirror are coated with aperiodic LaF2/MgF2 multilayer films, and institute
State LaF2/MgF2 layers that aperiodic LaF2/MgF2 multilayer films are designed comprising dozens of thickness optimization.
Preferably, CsI negative electrodes are coated with the photon acceptor face of the photon counting detector.
Preferably, BaF2 optical filters are additionally provided with before the photon counting detector.
Preferably, also including the heating module for carrying out temperature control to the BaF2 optical filters.
Preferably, the also light shield including being arranged in the main body.
From above-mentioned technical proposal as can be seen that the space far ultraviolet high sensitivity ionosphere imager of present invention offer, bag
Main body, first mirror, secondary mirror, three mirrors and photon counting detector are included, wherein, first mirror, secondary mirror and three mirrors are along light direction of transfer
It is successively set in main body, narrowband reflection multilayer film or band logical reflection multilayer film is coated with first mirror, secondary mirror and three mirrors；Photon
Digital detector is arranged in main body and is located at optical line terminal；
From the above, it is seen that the space far ultraviolet high sensitivity ionosphere imager in this case, without using knot
Structure is complicated, and volume is big, the optical-mechanical system of quality weight, and is directed to the spectral response of the radiation characteristic to imaging system of imageable target
Bandwidth requirement, is directly coated with the reflection multilayer film of relevant work wave band in mirror surface, so as to realize simplifying system light path, contracts
Small size, mitigates weight, reduces the purpose for developing difficulty and cost, and photon counting detector can not increase optical system
Imaging system response efficiency is improved on the premise of bore, and weak target can be imaged with counting form, and dark noise pole
Low, its imaging signal to noise ratio is far above general weak target imaging detector, and the purpose of detectivity is improved so as to reach.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
The accompanying drawing to be used needed for having technology description is briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is the structural representation of space far ultraviolet high sensitivity ionosphere provided in an embodiment of the present invention imager.
Specific embodiment
The invention provides a kind of space far ultraviolet high sensitivity ionosphere imager, its simple structure, body are made to reach
Product is small, lightweight, reduces and develops difficulty and cost, and makes it have the purpose of detectivity higher.
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
Fig. 1 is referred to, Fig. 1 is the structure of space far ultraviolet high sensitivity ionosphere provided in an embodiment of the present invention imager
Schematic diagram.
Space far ultraviolet high sensitivity ionosphere provided in an embodiment of the present invention imager, including main body 1, first mirror 2, secondary mirror
3rd, three mirrors 4 and photon counting detector 5.
Wherein, main body 1 is mainly for the protection of its inner part and for its inner part provides installation site；First mirror 2, secondary mirror 3 with
And three mirror 4 be successively set in main body 1 along light direction of transfer, it is more to be coated with narrowband reflection on first mirror 2, the mirror 4 of secondary mirror 3 and three
Tunic or band logical reflection multilayer film；Photon counting detector 5 is arranged in main body 1 and is located at optical line terminal.
Compared with prior art, the space far ultraviolet high sensitivity ionosphere imager that the present invention is provided, for imaging mesh
Target radiation characteristic is directly coated with the anti-of relevant work wave band to the spectral response bandwidth requirement of imaging system in mirror surface
Multilayer film is penetrated, so as to realize simplifying system light path, volume is reduced, mitigates weight, reduce the purpose for developing difficulty and cost, and by
In multimirror system is employed, every speculum is plated with customization multilayer film, therefore, it is possible to improve the filter of system with power side
Optical property, is filtered with outer veiling glare with rejection ratio very high, meanwhile, this optical filtering form is provided flexibly for multilager design
Property, can plate difference in functionality multilayer film on different speculums, a part suppresses long wave, and a part suppresses shortwave, and photon meter
Number detector 5 can improve imaging system response efficiency on the premise of optical system bore is not increased, and can be with counting
Form is imaged to weak target, and dark noise is extremely low, and its imaging signal to noise ratio is far above general weak target imaging detector, from
And reach the purpose for improving detectivity.
The reflection multilayer film being coated with first mirror 2, the mirror 4 of secondary mirror 3 and three, can be by LaF2, MgF2, BaF2, CaF2,
2 kinds or the non-periodic multilayer of various composition material optimization designs in the fluorides such as AlF2 and GdF3.
It is exemplified below, space far ultraviolet imageable target spectrum is generally concentrated at 121.6nm, 130nm, 135nm
Deng line spectrum, and the band spectrum such as 140nm~160nm, 160nm~180nm.In embodiments of the present invention, with 135nm spectral targets
It is imageable target, the arrowband reflection multilayer specifically designed for the design of 135nm wavelength is coated with first mirror 2, the mirror 4 of secondary mirror 3 and three
Film, the arrowband laminated reflective film is aperiodic LaF2/MgF2 multilayer films, and further, aperiodic LaF2/MgF2 multilayer films are included
LaF2/MgF2 layers of dozens of thickness optimization design；The peak half width of this kind of multilayer film of monolithic is 5nm, in reflectance peak
Reflectivity is about 30% at 135nm, and 10 times are about to 121.6nm line spectrum inhibition ratios, and 6 are about to 130nm line spectrum inhibition ratios
Times, 10 times are more than to the wideband spectrum such as 140~180nm inhibition ratio；After the superposition of three sheets of reflecting mirrors filter effect, to 121.6nm lines
Spectrum and 140~160 band spectrum inhibition ratios have reached 1000 times, and 216 times are about to 130nm inhibition ratios.
Further optimize above-mentioned technical proposal, in embodiments of the present invention, on the photon acceptor face of photon counting detector 5
It is coated with CsI negative electrodes.CsI negative electrodes can be greatly improved the quantum efficiency of photon counting detector 5 in 120nm~180nm wave bands, and
The quantum efficiency rapid decrease after 180nm, quantum efficiency has declined with respect to the average quantum efficiencies of 120nm~180nm at 200nm
200 times, rejection ability of the imaging system to the outer long wave veiling glare of band can be further improved, and increase photon counting detector 5
With interior sensitivity.
To improve rejection ability of the imaging system to the outer shortwave veiling glare of band, in embodiments of the present invention, photon counting detection
BaF2 optical filters 6 are additionally provided with before device 5.The transmitance of BaF2 optical filters 6 covers 0.115 μm~8 μm, can carry out imaging system sound
Short wavelength cutoff is answered, further, the short wavelength cutoff wavelength with temperature of this BaF2 optical filters 6 increases in the range of 115nm~145nm
Toward long wave drift, and hence it is also possible to set heating module carries out temperature control to BaF2 optical filters 6 such that it is able to according to bandwidth requirement,
Temperature control is carried out to BaF2 optical filters 6, target temperature is heated to, corresponding shortwave wavelength response cut-off is produced.
Further optimize above-mentioned technical proposal, in embodiments of the present invention, the imaging of space far ultraviolet high sensitivity ionosphere
Instrument also includes the light shield 7 being arranged in main body 1, can block visual field UV light by setting light shield 7, it is to avoid light disturbance
Imaging so that imageable target light beam could participate in imaging in visual field, improves imaging performance.
Each embodiment is described by the way of progressive in this specification, and what each embodiment was stressed is and other
The difference of embodiment, between each embodiment identical similar portion mutually referring to.
The foregoing description of the disclosed embodiments, enables professional and technical personnel in the field to realize or uses the present invention.
Various modifications to these embodiments will be apparent for those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, the present invention
The embodiments shown herein is not intended to be limited to, and is to fit to and principles disclosed herein and features of novelty phase one
The scope most wide for causing.
Claims (7)
1. a kind of space far ultraviolet high sensitivity ionosphere imager, it is characterised in that including：
Main body (1)；
First mirror (2) in the main body (1), secondary mirror (3) and three mirrors (4), the head are successively set on along light direction of transfer
Narrowband reflection multilayer film or band logical reflection multilayer film are coated with mirror (2), the secondary mirror (3) and three mirror (4)；
It is arranged in the main body (1) and is located at the photon counting detector (5) of optical line terminal.
2. space far ultraviolet high sensitivity ionosphere according to claim 1 imager, it is characterised in that the first mirror
(2), it is coated with by fluoride LaF2, MgF2, BaF2, CaF2, AlF2 and GdF3 on the secondary mirror (3) and three mirror (4)
2 kinds or various composition material optimization designs non-periodic multilayer.
3. space far ultraviolet high sensitivity ionosphere according to claim 1 imager, it is characterised in that the first mirror
(2), the secondary mirror (3) and three mirror (4) are coated with aperiodic LaF2/MgF2 multilayer films, and the aperiodic LaF2/
LaF2/MgF2 layers comprising the design of dozens of thickness optimization of MgF2 multilayer films.
4. space far ultraviolet high sensitivity ionosphere according to claim 1 imager, it is characterised in that the photon meter
CsI negative electrodes are coated with the photon acceptor face of number detector (5).
5. space far ultraviolet high sensitivity ionosphere according to claim 1 imager, it is characterised in that the photon meter
BaF2 optical filters (6) are additionally provided with before number detector (5).
6. space far ultraviolet high sensitivity ionosphere according to claim 5 imager, it is characterised in that also including being used for
The heating module of temperature control is carried out to the BaF2 optical filters (6).
7. the space far ultraviolet high sensitivity ionosphere imager according to claim any one of 1-6, it is characterised in that also
Including the light shield (7) being arranged in the main body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611131954.1A CN106768329A (en) | 2016-12-09 | 2016-12-09 | A kind of space far ultraviolet high sensitivity ionosphere imager |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611131954.1A CN106768329A (en) | 2016-12-09 | 2016-12-09 | A kind of space far ultraviolet high sensitivity ionosphere imager |
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| CN201611131954.1A Pending CN106768329A (en) | 2016-12-09 | 2016-12-09 | A kind of space far ultraviolet high sensitivity ionosphere imager |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108613739A (en) * | 2018-04-18 | 2018-10-02 | 北京卫星环境工程研究所 | Small-sized ionosphere photometer suitable for micro-nano satellite |
| CN111175781A (en) * | 2020-01-16 | 2020-05-19 | 中国科学院国家空间科学中心 | Multi-angle multispectral spaceborne ionosphere detection device |
| CN114594587A (en) * | 2020-12-07 | 2022-06-07 | 中国科学院长春光学精密机械与物理研究所 | Ultraviolet sky-patrol optical imaging system |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6448562B1 (en) * | 1999-07-29 | 2002-09-10 | Jaycor | Remote detection of fissile material |
| US6522403B2 (en) * | 2000-12-04 | 2003-02-18 | The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration | Computed tomography imaging spectrometer (CTIS) with 2D reflective grating for ultraviolet to long-wave infrared detection especially useful for surveying transient events |
| US8181511B2 (en) * | 2008-07-18 | 2012-05-22 | Meier Robert R | Method and system of imaging electrons in the near earth space environment |
| CN103592807A (en) * | 2013-11-13 | 2014-02-19 | 中国科学院长春光学精密机械与物理研究所 | Earth plasmasphere dynamic tracking imager |
| CN105115598A (en) * | 2015-08-13 | 2015-12-02 | 成都奥晶科技有限责任公司 | Far ultraviolet light far distance detector and detector optical system |
-
2016
- 2016-12-09 CN CN201611131954.1A patent/CN106768329A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6448562B1 (en) * | 1999-07-29 | 2002-09-10 | Jaycor | Remote detection of fissile material |
| US6522403B2 (en) * | 2000-12-04 | 2003-02-18 | The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration | Computed tomography imaging spectrometer (CTIS) with 2D reflective grating for ultraviolet to long-wave infrared detection especially useful for surveying transient events |
| US8181511B2 (en) * | 2008-07-18 | 2012-05-22 | Meier Robert R | Method and system of imaging electrons in the near earth space environment |
| CN103592807A (en) * | 2013-11-13 | 2014-02-19 | 中国科学院长春光学精密机械与物理研究所 | Earth plasmasphere dynamic tracking imager |
| CN105115598A (en) * | 2015-08-13 | 2015-12-02 | 成都奥晶科技有限责任公司 | Far ultraviolet light far distance detector and detector optical system |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108613739A (en) * | 2018-04-18 | 2018-10-02 | 北京卫星环境工程研究所 | Small-sized ionosphere photometer suitable for micro-nano satellite |
| CN111175781A (en) * | 2020-01-16 | 2020-05-19 | 中国科学院国家空间科学中心 | Multi-angle multispectral spaceborne ionosphere detection device |
| CN114594587A (en) * | 2020-12-07 | 2022-06-07 | 中国科学院长春光学精密机械与物理研究所 | Ultraviolet sky-patrol optical imaging system |
| CN114594587B (en) * | 2020-12-07 | 2023-06-09 | 中国科学院长春光学精密机械与物理研究所 | Optical imaging system for ultraviolet night-time |
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Application publication date: 20170531 |