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Method for automatically adjusting coincidence of laser communication telescope azimuth axis and transmitting optical axis

An automatic adjustment and laser communication technology, applied in the field of laser communication, can solve problems such as poor precision and long time consumption, and achieve the effect of increasing speed

Active Publication Date: 2014-09-17
INST OF OPTICS & ELECTRONICS - CHINESE ACAD OF SCI
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  • Abstract
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  • Claims
  • Application Information

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Problems solved by technology

Due to manual interpretation, it has strong subjectivity, and the accuracy is poor and time-consuming

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  • Method for automatically adjusting coincidence of laser communication telescope azimuth axis and transmitting optical axis
  • Method for automatically adjusting coincidence of laser communication telescope azimuth axis and transmitting optical axis
  • Method for automatically adjusting coincidence of laser communication telescope azimuth axis and transmitting optical axis

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Embodiment Construction

[0027] The present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0028] Such as figure 1 As shown, the method for automatically adjusting the coincidence of the azimuth axis of the laser communication telescope with the emitting optical axis according to the embodiment of the present invention. The pupil detector 4 and the platform pupil rapid control reflector 8 form a closed-loop control system to realize the coincidence adjustment of the pupil; the optical axis detector 2 and the lower 45° optical axis rapid control reflector 11 form a closed-loop control system to realize the optical axis coincidence adjustment. The beacon light emitted by the laser 9 passes through the platform pupil rapid control reflector 8, the lower 45° optical axis rapid control reflector 11, the upper 45° reflector 12, and the column 45° reflector, and the reflected light directly enters the beam reduction system 6, The light ...

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Abstract

The invention discloses a method for automatically adjusting the coincidence of a laser communication telescope azimuth axis and a transmitting optical axis. A beacon light beam and two fast control reflectors are introduced, wherein the two fast control reflectors are called a downward 45-degree optical axis fast control reflector and a platform pupil fast control reflector respectively. An optical detector and a pupil detector detecting the optical axis and the pupil are placed on the azimuth axis, and the optical axis detector and the downward 45-degree optical axis fast control reflector form a closed-loop control system to automatically adjust the optical axis. The pupil detector and the platform pupil fast control reflector compose a closed-loop control system to automatically adjust the pupil. According to the method, the two fast control reflectors serve as executing elements, a photoelectric detector serves as a processing unit, and the speed and precision of adjusting the coincidence of the azimuth axis and the transmitting optical axis are effectively improved.

Description

technical field [0001] The invention relates to a method for adjusting the emitting optical axis of a telescope system in the field of laser communication, in particular to a method for automatically adjusting the coincidence of the azimuth axis of a laser communication telescope and the emitting optical axis. Background technique [0002] Since human beings started space exploration in the 1960s, the transmission of information has relied on radio waves. However, with the increasingly crowded radio spectrum and the increasing amount of data transmitted by people, scientists have begun to focus on establishing Lightwave-based communication links. The advantages of laser communication: communication frequency bandwidth, large information capacity; strong anti-interference and anti-interception capabilities; small size, light weight, and low power consumption. [0003] The laser communication telescope system is the premise of establishing a laser communication link, and it i...

Claims

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Application Information

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IPC IPC(8): G02B23/02G02B7/182
Inventor 边疆谭毅亓波任戈
Owner INST OF OPTICS & ELECTRONICS - CHINESE ACAD OF SCI