CN203241218U - Double-beacon detection system for measuring focus anisoplanatic errors - Google Patents
Double-beacon detection system for measuring focus anisoplanatic errors Download PDFInfo
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- CN203241218U CN203241218U CN 201320271753 CN201320271753U CN203241218U CN 203241218 U CN203241218 U CN 203241218U CN 201320271753 CN201320271753 CN 201320271753 CN 201320271753 U CN201320271753 U CN 201320271753U CN 203241218 U CN203241218 U CN 203241218U
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Abstract
The utility model provides a double-beacon detection system for measuring focus anisoplanatic errors. A light beam gating switch is arranged in a shared optical path of artificial laser beacon return light and natural beacon return light; a collimating lens which is matched with the height of a beacon is arranged at a separated artificial laser beacon return light optical path; and a natural beacon micro lens array and an artificial laser beacon micro lens array are arranged at positions which are aplanatic relative to the front surface of a color selective mirror in transmission. A focus anisoplanatic error-free characteristic of a natural beacon as well as an artificial laser beacon return light wave surface and a natural beacon return light wave surface at the same time period and in the same atmospheric transmission path which are respectively measured by the light beam gating switch, the color selective mirror, the collimating lens and the like are utilized, such that obtained focus anisoplanatic errors of an artificial laser beacon can be contrasted. The double-beacon detection system for measuring the focus anisoplanatic errors can adapt to the measurement of artificial laser beacons with different heights under different atmospheric turbulences; and the double-beacon detection system for measuring the focus anisoplanatic errors has the advantages of simple measuring principle and high measuring accuracy.
Description
Technical field
The utility model belongs to optical measuring system artificial beacon technical field, is specifically related to a kind of two beacon detection systems that focus on anisoplanatism error of measuring.Be used for to measure the artificial laser beacon that is determined by the beacon height and focus on anisoplanatism error, instruct design, the development of supporting artificial laser beacon system in the heavy caliber telescopic system.
Background technology
In the ground telescope, focusing on anisoplanatism error has affected artificial laser beacon system to the detection accuracy of atmospheric turbulence information.According to correlation parameters such as ground telescope bore, signal light wavelength, place, site atmospheric environments, the focusing anisoplanatism error of the artificial laser beacon of differing heights is assessed, to demonstration, optimize supporting artificial laser beacon system and have great importance.At present, artificial laser beacon focuses on anisoplanatism error and is mainly obtained by theoretical analysis, generally adopts lateral light spectral filter method to analyze, calculate.Focusing on anisoplanatism error with the theoretical analysis method gained is based upon on certain the mathematics boundary condition and Atmospheric Condition basis, different design conditions, computing method and mathematical model have affected the accuracy of result of calculation, and this has brought risk for development and the operation of artificial laser beacon system.
Summary of the invention
For the focusing anisoplanatism error of the artificial laser beacon of actual measurement, the purpose of this utility model provides a kind of two beacon detection systems that focus on anisoplanatism error of measuring.
A kind of two beacon detection systems that focus on anisoplanatism error of measuring of the present utility model, be characterized in that described detection system comprises light beam gating switch, dichronic mirror, artificial laser beacon measurement mechanism, natural beacon measurement mechanism, computing machine, synchro control machine; Light beam gating switch, dichronic mirror are successively set on the input path, and artificial laser beacon measurement mechanism, natural beacon measurement mechanism are separately positioned on the reflected light path or transmitted light path of dichronic mirror; The input end of synchro control machine links to each other with the light beam gating switch, and output terminal links to each other with natural beacon measurement mechanism with artificial laser beacon measurement mechanism respectively, and externally exports one tunnel trigger pip.
Described artificial laser beacon measurement mechanism comprises collimation lens, artificial laser beacon microlens array, artificial laser beacon CCD camera, and the three places successively along the optic path direction; The focal length of described collimation lens and artificial laser beacon height are complementary.
Described natural beacon measurement mechanism comprises optical filter, natural beacon microlens array, natural beacon CCD camera, and the three places successively along the optic path direction; The inhibition centre wavelength of described optical filter and artificial laser beacon wavelength are complementary.
The time gated precision of described light beam gating switch is less than 1 microsecond.
Described dichronic mirror film is that the spectrum minute optical parameter of parameter and natural beacon light echo, artificial laser beacon light echo is complementary.
Described artificial laser beacon microlens array, natural beacon microlens array arrange with dichronic mirror front surface aplanatism respectively.
Measurement of the present utility model focuses on two beacon detection systems and the measuring method of anisoplanatism error, utilized natural beacon without the characteristic that focuses on anisoplanatism error, with its benchmark as artificial this variance of laser beacon of detection, by measure the same period, with propagation in atmosphere path nature beacon and the distortion corrugated of artificial laser beacon behind atmospheric turbulence, directly contrast difference of them, obtain the focusing anisoplanatism error of the artificial laser beacon of certain altitude system.Wherein, atmospheric turbulence changed fast with space, time, used optical path and light beam gating switch so that two class beacons keep with the propagation in atmosphere path, with the measuring state of period in measuring process, thereby the result who has guaranteed the two class corrugateds of surveying has comparability.
The artificial laser beacon of measurement of the present utility model focuses on two beacon detection systems of anisoplanatism error and the beneficial effect of measuring method is, two same periods of beacon detection system, with the atmospheric turbulence information of the different beacons of propagation in atmosphere path measurements, can directly record the focusing anisoplanatism error of the artificial laser beacon of differing heights under place, the site atmospheric environment, measuring principle is simple, precision is high, for demonstration, the development work of artificial laser beacon system in the heavy caliber ground optical telescope system provides important reference.
Description of drawings
Fig. 1 is two beacon detection system structural representations that measurement of the present utility model focuses on anisoplanatism error;
Fig. 2 is that measurement of the present utility model focuses on the artificial laser beacon measurement mechanism structural representation in two beacon detection systems of anisoplanatism error;
Fig. 3 is that measurement of the present utility model focuses on the natural beacon measurement mechanism structural representation in two beacon detection systems of anisoplanatism error;
Among the figure: 1. light beam gating switch 2. dichronic mirrors 3. artificial laser beacon measurement mechanism 4. natural beacon measurement mechanism 5. computing machines 6. synchro control machines 7. collimation lenses 8. artificial laser beacon microlens array 9. artificial laser beacon CCD camera 10. optical filters 11. natural beacon microlens array 12. natural beacon CCD cameras.
Embodiment
Fig. 1 is two beacon detection system structural representations that measurement of the present utility model focuses on anisoplanatism error, Fig. 2 is that measurement of the present utility model focuses on the artificial laser beacon measurement mechanism structural representation in two beacon detection systems of anisoplanatism error, and Fig. 3 is the natural beacon measurement mechanism structural representation in two beacon detection systems of measurement focusing anisoplanatism error of the present utility model.
In Fig. 1～3, a kind of two beacon detection systems that focus on anisoplanatism error of measuring of the present utility model, comprise light beam gating switch 1, dichronic mirror 2, artificial laser beacon measurement mechanism 3, nature beacon measurement mechanism 4, computing machine 5, synchro control machine 6, light beam gating switch 1, dichronic mirror 2 is successively set on the input path, artificial laser beacon measurement mechanism 3, nature beacon measurement mechanism 4 is separately positioned on the reflected light path or transmitted light path of dichronic mirror 2, the input end of synchro control machine 6 links to each other with light beam gating switch 1, output terminal links to each other with natural beacon measurement mechanism 4 with artificial laser beacon measurement mechanism 3 respectively, and externally exports one tunnel trigger pip.
Artificial laser beacon measurement mechanism 3 comprises collimation lens 7, artificial laser beacon microlens array 8, artificial laser beacon CCD camera 9, and the three places successively along the optic path direction; The focal length of described collimation lens 7 and artificial laser beacon height are complementary.
Nature beacon measurement mechanism 4 comprises optical filter 10, natural beacon microlens array 11, natural beacon CCD camera 12, and the three places successively along the optic path direction; The inhibition centre wavelength of described optical filter 10 and artificial laser beacon wavelength are complementary.
The time gated precision of light beam gating switch 1 is less than 1 microsecond.
The film of dichronic mirror 2 is that the spectrum minute optical parameter of parameter and natural beacon light echo, artificial laser beacon light echo is complementary.
Artificial laser beacon microlens array 8, natural beacon microlens array 11 arrange with dichronic mirror 2 front surface aplanatisms respectively.
Present embodiment is identical with the basic structure of embodiment 1, difference is: the wide spectrum of 2 pairs of visible light wave ranges of described dichronic mirror is high anti-, thoroughly high to artificial laser beacon wavelength narrow bandwidth, dichronic mirror 2 rear transmitted light paths and reflected light path are placed respectively artificial laser beacon measurement mechanism and natural beacon measurement mechanism.
Claims (6)
1. measure the two beacon detection systems that focus on anisoplanatism error for one kind, it is characterized in that: described detection system comprises light beam gating switch (1), dichronic mirror (2), artificial laser beacon measurement mechanism (3), natural beacon measurement mechanism (4), computing machine (5), synchro control machine (6); Described light beam gating switch (1), dichronic mirror (2) are successively set on the input path, and artificial laser beacon measurement mechanism (3), natural beacon measurement mechanism (4) are separately positioned on the reflected light path or transmitted light path of dichronic mirror (2); The input end of described synchro control machine (6) links to each other with light beam gating switch (1), and output terminal links to each other with natural beacon measurement mechanism (4) with artificial laser beacon measurement mechanism (3) respectively, and externally exports one tunnel trigger pip.
2. measurement according to claim 1 focuses on two beacon detection systems of anisoplanatism error, it is characterized in that: described artificial laser beacon measurement mechanism (3) comprises collimation lens (7), artificial laser beacon microlens array (8), artificial laser beacon CCD camera (9), and the three places successively along the optic path direction; The focal length of described collimation lens (7) and artificial laser beacon height are complementary.
3. measurement according to claim 1 focuses on two beacon detection systems of anisoplanatism error, it is characterized in that: described natural beacon measurement mechanism (4) comprises optical filter (10), natural beacon microlens array (11), natural beacon CCD camera (12), and the three places successively along the optic path direction; The inhibition centre wavelength of described optical filter (10) and artificial laser beacon wavelength are complementary.
4. measurement according to claim 1 focuses on two beacon detection systems of anisoplanatism error, and it is characterized in that: the time gated precision of described light beam gating switch (1) is less than 1 microsecond.
5. measurement according to claim 1 focuses on two beacon detection systems of anisoplanatism error, it is characterized in that: described dichronic mirror (2) film is that the spectrum minute optical parameter of parameter and natural beacon light echo, artificial laser beacon light echo is complementary.
6. measurement according to claim 1 focuses on two beacon detection systems of anisoplanatism error, and it is characterized in that: described artificial laser beacon microlens array (8), natural beacon microlens array (11) arrange with dichronic mirror (2) front surface aplanatism respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320271753 CN203241218U (en) | 2013-05-20 | 2013-05-20 | Double-beacon detection system for measuring focus anisoplanatic errors |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320271753 CN203241218U (en) | 2013-05-20 | 2013-05-20 | Double-beacon detection system for measuring focus anisoplanatic errors |
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| CN203241218U true CN203241218U (en) | 2013-10-16 |
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| CN 201320271753 Withdrawn - After Issue CN203241218U (en) | 2013-05-20 | 2013-05-20 | Double-beacon detection system for measuring focus anisoplanatic errors |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103267631A (en) * | 2013-05-20 | 2013-08-28 | 中国工程物理研究院应用电子学研究所 | Double-beacon detection system for measuring focus non-isoplanatism error and measuring method thereof |
-
2013
- 2013-05-20 CN CN 201320271753 patent/CN203241218U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103267631A (en) * | 2013-05-20 | 2013-08-28 | 中国工程物理研究院应用电子学研究所 | Double-beacon detection system for measuring focus non-isoplanatism error and measuring method thereof |
| CN103267631B (en) * | 2013-05-20 | 2016-04-06 | 中国工程物理研究院应用电子学研究所 | A kind of two beacon detection system and measuring method measuring focusing anisoplanatism error |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20131016 Effective date of abandoning: 20160406 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |