CN101923179B - All-sky atmosphere gravitational wave imager - Google Patents
All-sky atmosphere gravitational wave imager Download PDFInfo
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- CN101923179B CN101923179B CN 200910237418 CN200910237418A CN101923179B CN 101923179 B CN101923179 B CN 101923179B CN 200910237418 CN200910237418 CN 200910237418 CN 200910237418 A CN200910237418 A CN 200910237418A CN 101923179 B CN101923179 B CN 101923179B
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Abstract
The invention provides an all-sky atmosphere gravitational wave imager which comprises a fisheye lens, a three-lens light path adjustment lens group, an optical filter, an imaging lens and a scientific CCD (Charge Coupled Device) camera, wherein the three-lens light path adjustment lens group comprises a first lens, a second lens and a third lens, the first lens is a plus lens and is arranged close to the focal plane of the fisheye lens, the second lens which is a plus lens and the third lens which is a minus lens are arranged behind the first lens, and the third lenses are matched with the fisheye lens mutually so that light emitted from the third lens meets the angular requirement of the band width of the optical filter on incident light, then passes through the optical filter, the imaging lens sequentially and finally reaches the scientific CCD camera connected with the imaging lens, and thus, the all-sky atmosphere gravitational wave imager realizes the all-sky 180-degree atmosphere gravitational wave imaging by taking OH and O2 airglow radiation as a tracer. The all-sky atmosphere gravitational wave imager not only can realize higher-accuracy gravitational wave activity observation, but also can reduce cost and size and has concise structure and high accuracy.
Description
Technical field
The present invention relates to a kind of optical imagery instrument for the observation atmospheric gravity waves, relate in particular to a kind of all-sky atmosphere gravitational wave imager that can realize the atmospheric gravity waves activity level two-dimensional imaging of all-sky.
Background technology
Atmospheric gravity waves can produce disturbance to the airglow radiating layer in upload procedure, take the radiation of atmosphere airglow as tracer, can realize the observation to the atmospheric gravity waves activity.In atmosphere airglow radiation belt on the middle and senior level, be positioned at visible light to the near-infrared band radiation stronger be the OH in broadband and the O2 airtglow layer of arrowband, its wave band is about respectively 750-850nm, 865 ± 2.5nm, and these two kinds of airglow radiation all can be used for the Gravity wave activities imaging observation.
Fig. 1 is the structural representation of existing all-sky atmosphere gravitational wave imager, as shown in Figure 1, the formation of existing all-sky atmosphere gravitational wave imager comprises: optical filter and other specific optical device of specific fish eye lens, filter glass group, large-size.Its shortcoming is that the fish eye lens of specific model is bought relatively difficulty, and the optical filter cost of large-size is high, and increased the diameter of imager, the design processing of particular optical eyeglass is complicated etc., thereby in the atmospheric gravity waves multipoint observation, the aspects such as imager miniaturization portability limit to some extent.
Summary of the invention
In order to address the above problem, the object of the present invention is to provide a kind of Gravity wave activities observation that not only can realize equally degree of precision, also can reduce cost and size, succinctly not lose again the all-sky atmosphere gravitational wave imager of realizing accurately the all-sky atmosphere gravitational wave imaging.
For achieving the above object, all-sky atmosphere gravitational wave imager of the present invention, comprise: fish eye lens, the three-chip type light path that is made of the first eyeglass, the second eyeglass and prismatic glasses are adjusted lens set, optical filter, imaging lens and scientific grade CCD camera, take OH and the radiation of O2 airglow as tracer, realize the all-sky atmosphere gravitational wave imaging.
Wherein, described the first eyeglass adopts positive lens, and place it near the described fish-eye focal plane, then place described the second eyeglass that adopts positive lens and the described prismatic glasses that adopts negative lens at the rear of this first eyeglass, these three lens and described fish eye lens cooperatively interact, so that satisfy described optical filter bandwidth to the angle of incident light requirement from the light of described prismatic glasses outgoing, and then make light pass through circular described optical filter, pass through again described imaging lens, arrive at last the described scientific grade CCD camera that is connected with described imaging lens, thereby realize 180 ° of atmospheric gravity waves imagings of all-sky.
Wherein, described fish eye lens can adopt commercial general fish eye lens, for example focal length 10.5mm #tF2.8, focal length 16mm#F3.5 and focal length 8mm#F2.8 etc.
Described optical filter can adopt the optical filter of 2 inches diameter or 3 inches etc.
Described imaging lens and scientific grade CCD camera adopt commercial imaging lens and scientific grade CCD to get final product.
In addition, as further improved version, the present invention also provides a kind of all-sky atmosphere gravitational wave imager, it is characterized in that, comprise: fish eye lens, the three-chip type light path that is made of the first eyeglass, the second eyeglass and prismatic glasses are adjusted optical filter, filter wheel, imaging lens and the scientific grade CCD camera of lens set, multi-disc different-waveband, take OH and the radiation of O2 airglow as tracer, realize the all-sky atmosphere gravitational wave imaging.
Wherein, described the first eyeglass adopts positive lens, and place it near the described fish-eye focal plane, then place described the second eyeglass that adopts positive lens and the described prismatic glasses that adopts negative lens at the rear of this first eyeglass, these three lens and described fish eye lens cooperatively interact, so that satisfy described optical filter bandwidth to the angle of incident light requirement from the light of described prismatic glasses outgoing, and then make the described filter wheel of the optical filter of light by described multi-disc different-waveband is housed, pass through again described imaging lens, arrive at last the described scientific grade CCD camera that is connected with described imaging lens, observed in turn by computer control realization hyperchannel, thereby realize 180 ° of atmospheric gravity waves imagings of all-sky.
The beneficial effect of all-sky atmosphere gravitational wave imager of the present invention is: the present invention adopts fish eye lens to realize the all-sky imaging, and the optical filter that adopts preposition eyeglass assembly to close minor diameter filters.Because narrow band pass filter is responsive to angle of incident light, adopt preposition three-chip type lens set here, make the light angle that incides optical filter can satisfy simultaneously the angle requirement of broad band pass filter and narrow band pass filter, make things convenient for simultaneously and adjust optical aberration.By the imaging lens of a commercialization, cooperate with scientific grade CCD camera again, finally realize take the radiation of atmosphere airglow as tracer, realize the imaging observation to atmospheric gravity waves.Thus, adopt commercial general fish eye lens, for example focal length 10.5mm#F2.8, with the optical filter of minor diameter, for example 2 inches, in conjunction with three-chip type filter glass group, and commercial imaging lens and scientific grade CCD, succinctly do not lose again and realize accurately the all-sky atmosphere gravitational wave imaging.
Description of drawings
Fig. 1 is the structural representation of existing all-sky atmosphere gravitational wave imager.
Fig. 2 is structure and the light path synoptic diagram of all-sky atmosphere gravitational wave imager of the present invention, take focal length 10.5mm#F2.8 fish eye lens and 2 inches diameter optical filter as example.
Embodiment
Below in conjunction with the drawings and specific embodiments all-sky atmosphere gravitational wave imager of the present invention is described in detail.
Fig. 2 is structure and the light path synoptic diagram of all-sky atmosphere gravitational wave imager of the present invention, take focal length 10.5mm#F2.8 fish eye lens and 2 inches diameter optical filter as example.As shown in Figure 2, all-sky atmosphere gravitational wave imager of the present invention, comprise: fish eye lens 1, the three-chip type light path that is made of the first eyeglass 2, the second eyeglass 3 and prismatic glasses 4 are adjusted lens set, optical filter 5, imaging lens 6 and scientific grade CCD camera 7, take OH and the radiation of O2 airglow as tracer, realization is to the all-sky atmosphere gravitational wave imaging
Wherein, the first eyeglass 2 adopts positive lens, and place it near the focal plane of fish eye lens 1, then place the second eyeglass 3 that adopts positive lens and the prismatic glasses 4 that adopts negative lens at the rear of this first eyeglass 2, these three lens and fish eye lens 1 cooperatively interact, so that satisfy optical filter 5 bandwidth to the angle of incident light requirement from the light of prismatic glasses 4 outgoing, and then make light pass through circular optical filter 5, pass through again imaging lens 6, arrive at last the scientific grade CCD camera 7 that is connected with imaging lens 6, thereby realize 180 ° of atmospheric gravity waves imagings of all-sky.
Wherein, fish eye lens 1 can adopt commercial general fish eye lens, for example: focal length 10.5mm #F2.8, focal length 16mm #F3.5 and focal length 8mm #F2.8 etc.Optical filter 5 can adopt the circular filter of minor diameter, and the optical filter size is such as 2 inches, 3 inches etc.In addition, imaging lens 6 and scientific grade CCD camera 7 adopt imaging lens and the scientific grade CCD of general commercial to get final product among the present invention.
In addition, as shown in Figure 2, what the solid line among the figure and dotted line represented respectively is the light of 0 ° and 90 ° incident, namely can realize the all-sky atmosphere gravitational wave two-dimensional imaging.Light runs through whole light path from left to right, high order end light is the light from fish eye lens 1 outgoing, after arriving the focal plane of fish eye lens 1, pass the first eyeglass 2 of three-chip type lens set, then pass the second eyeglass 3 and prismatic glasses 4, thereby make light angle reach the bandwidth requirement of optical filter 5, then through an imaging lens 6, arrive afterwards the plane of scientific grade CCD camera 7.
Image by the CCD cameras record after, can be by being attached thereto the computing machine derived data.
In addition, version as a further improvement on the present invention can be positioned over the optical filter 5 of a plurality of different-wavebands in the filter wheel, and namely the position of optical filter 5 arranges the filter wheel (not shown) that a plurality of different-waveband optical filters 5 are housed in Fig. 2.Light from fish eye lens 1 outgoing, after arriving the focal plane of fish eye lens 1, pass the first eyeglass 2 of three-chip type lens set, then pass the second eyeglass 3 and prismatic glasses 4, thereby make light angle reach the bandwidth requirement of the optical filter 5 of a plurality of different-wavebands, and make the filter wheel (not shown) of the optical filter 5 of light by the multi-disc different-waveband is housed, and then pass through imaging lens 6, arrive afterwards the plane of scientific grade CCD camera 7.Thus, with the CCD camera, by computer control, can realize that hyperchannel observes in turn.
It should be noted last that above embodiment is only unrestricted in order to technical scheme of the present invention to be described.Although with reference to embodiment the present invention is had been described in detail, those of ordinary skill in the art is to be understood that, technical scheme of the present invention is made amendment or is equal to replacement, do not break away from the spirit and scope of technical solution of the present invention, it all should be encompassed in the middle of the claim scope of the present invention.
Claims (8)
1. all-sky atmosphere gravitational wave imager, it is characterized in that, comprise: fish eye lens, the three-chip type light path that is made of the first eyeglass, the second eyeglass and prismatic glasses are adjusted lens set, optical filter, imaging lens and scientific grade CCD camera, take OH and the radiation of O2 airglow as tracer, realization is to the all-sky atmosphere gravitational wave imaging
Wherein, described the first eyeglass adopts positive lens, and place it near the described fish-eye focal plane, then place described the second eyeglass that adopts positive lens and the described prismatic glasses that adopts negative lens at the rear of this first eyeglass, these three lens and described fish eye lens cooperatively interact, so that satisfy described optical filter bandwidth to the angle of incident light requirement from the light of described prismatic glasses outgoing, and then make light pass through described optical filter, pass through again described imaging lens, arrive at last the described scientific grade CCD camera that is connected with described imaging lens, thereby realize 180 ° of atmospheric gravity waves imagings of all-sky.
2. all-sky atmosphere gravitational wave imager as claimed in claim 1 is characterized in that, described fish eye lens adopts: the camera lens of focal length 10.5mm#F2.8, focal length 16mm#F3.5 or focal length 8mm#F2.8.
3. all-sky atmosphere gravitational wave imager as claimed in claim 1 is characterized in that, described optical filter adopts the small diameter circular optical filter of 2 inches or 3 inches.
4. all-sky atmosphere gravitational wave imager as claimed in claim 1 is characterized in that, described imaging lens and scientific grade CCD camera adopt general commercial imaging lens and scientific grade CCD camera.
5. all-sky atmosphere gravitational wave imager, it is characterized in that, comprise: fish eye lens, the three-chip type light path that is made of the first eyeglass, the second eyeglass and prismatic glasses are adjusted optical filter, filter wheel, imaging lens and the scientific grade CCD camera of lens set, multi-disc different-waveband, take OH and the radiation of O2 airglow as tracer, realization is to the all-sky atmosphere gravitational wave imaging
Wherein, described the first eyeglass adopts positive lens, and place it near the described fish-eye focal plane, then place described the second eyeglass that adopts positive lens and the described prismatic glasses that adopts negative lens at the rear of this first eyeglass, these three lens and described fish eye lens cooperatively interact, so that satisfy described optical filter bandwidth to the angle of incident light requirement from the light of described prismatic glasses outgoing, and then make the described filter wheel of the optical filter of light by described multi-disc different-waveband is housed, pass through again described imaging lens, arrive at last the described scientific grade CCD camera that is connected with described imaging lens, observed in turn by computer control realization hyperchannel, thereby realize 180 ° of atmospheric gravity waves imagings of all-sky.
6. all-sky atmosphere gravitational wave imager as claimed in claim 5 is characterized in that, described fish eye lens adopts: the camera lens of focal length 10.5mm#F2.8, focal length 16mm#F3.5 or focal length 8mm#F2.8.
7. all-sky atmosphere gravitational wave imager as claimed in claim 5 is characterized in that, described optical filter adopts the small diameter circular optical filter of 2 inches or 3 inches.
8. all-sky atmosphere gravitational wave imager as claimed in claim 5 is characterized in that, described imaging lens and scientific grade CCD camera adopt general commercial imaging lens and scientific grade CCD camera.
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| CN 200910237418 CN101923179B (en) | 2009-11-06 | 2009-11-06 | All-sky atmosphere gravitational wave imager |
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| CN 200910237418 CN101923179B (en) | 2009-11-06 | 2009-11-06 | All-sky atmosphere gravitational wave imager |
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| CN101923179B true CN101923179B (en) | 2013-04-24 |
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| CN111238577B (en) * | 2020-03-31 | 2022-02-18 | 南京信息工程大学 | Airglow gravitational wave multi-parameter detector |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1290355A (en) * | 1997-12-05 | 2001-04-04 | 纽约市哥伦比亚大学托管会 | Omnidirectional imaging apparatus |
| CN1685272A (en) * | 2002-09-24 | 2005-10-19 | 西健尔 | Image display unit and projection optical system |
| CN101218546A (en) * | 2005-07-07 | 2008-07-09 | 富士胶片株式会社 | Pattern forming method |
| CN101276039A (en) * | 2007-03-27 | 2008-10-01 | 富士能株式会社 | Imaging lens and imaging device |
| CN101473439A (en) * | 2006-04-17 | 2009-07-01 | 全视Cdm光学有限公司 | Arrayed imaging systems and associated methods |
-
2009
- 2009-11-06 CN CN 200910237418 patent/CN101923179B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1290355A (en) * | 1997-12-05 | 2001-04-04 | 纽约市哥伦比亚大学托管会 | Omnidirectional imaging apparatus |
| CN1685272A (en) * | 2002-09-24 | 2005-10-19 | 西健尔 | Image display unit and projection optical system |
| CN101218546A (en) * | 2005-07-07 | 2008-07-09 | 富士胶片株式会社 | Pattern forming method |
| CN101473439A (en) * | 2006-04-17 | 2009-07-01 | 全视Cdm光学有限公司 | Arrayed imaging systems and associated methods |
| CN101276039A (en) * | 2007-03-27 | 2008-10-01 | 富士能株式会社 | Imaging lens and imaging device |
Non-Patent Citations (1)
| Title |
|---|
| Cui Tu，Xiong Hu，et al..CSSAR airglow gravity wave imager and its preliminary observation.《Proc. of SPIE》.2009,第7384卷摘要和第1-4部分. * |
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Address after: 100084 No. 1, No. 2, South of Zhongguancun, Haidian District, Beijing Patentee after: NATIONAL SPACE SCIENCE CENTER, CAS Address before: 100084 No. 1, No. 2, South of Zhongguancun, Haidian District, Beijing Patentee before: Space Science & Applied Research Centre, Chinese Academy of Sciences |
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