Transmitting and receiving integrated space laser communication terminal

A laser communication and space technology, applied in electromagnetic transceivers, free space transmission, optics, etc., can solve the problems of increasing the engineering difficulty, stability and manufacturing cost of free space laser communication optical systems, and achieve easy maintenance and reduce Beacon light path, effect of reducing power consumption

Pending Publication Date: 2022-05-13
天津弘毅光技术有限公司
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  • Abstract
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  • Application Information

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Problems solved by technology

These have increased the engineering difficulty, stability and manu

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  • Transmitting and receiving integrated space laser communication terminal
  • Transmitting and receiving integrated space laser communication terminal
  • Transmitting and receiving integrated space laser communication terminal

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Embodiment Construction

[0034] In order to better understand the present invention, the present invention will be described in detail below in conjunction with specific drawings. Technical terms used in the following description have the same meaning as generally understood by those skilled in the art to which the present invention belongs. The examples in the drawings describe in detail the preferred embodiments of the present invention in detail, but do not represent the only implementation of the present invention, and those skilled in the art can modify the detailed structure without departing from the specific implementation. It should be considered within the scope disclosed in this embodiment.

[0035] A specific implementation of the transceiver integrated space laser communication terminal of the present invention is as follows: Figure 1-3 As shown, it includes two structural parts: the upper part is the optical-mechanical module, which is used to install and set various optical path compo...

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Abstract

The invention provides a receiving and transmitting integrated space laser communication terminal which comprises an upper optical machine module and a lower laser communication processing module. The optical machine module comprises a servo rotary table, an optical antenna is fixed to an azimuth axis of the servo rotary table, a fast reflecting mirror is arranged below the servo rotary table and corresponds to the optical antenna, and a double-color beam splitter and a light receiving and emitting branch unit are sequentially arranged on one side of the fast reflecting mirror. A narrow-band optical filter and a beam splitter prism are sequentially arranged on the other orientation side of the double-color beam splitter, a fine tracking detection system and a coarse tracking detection system are correspondingly arranged on the two orientation sides of the beam splitter prism respectively, and a stray light absorption device is arranged on the orientation side, opposite to the narrow-band optical filter, of the double-color beam splitter. According to the invention, system power consumption is reduced, beacon light paths are reduced, and simplification and miniaturization are realized.

Description

technical field [0001] The invention belongs to the technical field of space laser communication, and in particular relates to a space laser communication terminal. Background technique [0002] Space Internet includes space information processing and communication facilities composed of various types of orbiting aircraft, satellites or satellite constellations, various ground stations, core networks and other related ground infrastructure, and a high-performance global network infrastructure formed by the integration of various application systems , is the key direction of the new generation of global Internet development and the focus of a new round of space competition. The new space Internet constellation system generally supports inter-satellite links to build a global seamless connection and low-latency space network system, which is an important part of the national space information infrastructure. As the main direction of future communication development, space las...

Claims

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Application Information

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IPC IPC(8): H04B10/118H04B10/40H04B10/079G02B26/08G02B27/09G02B27/12
CPCH04B10/118H04B10/40H04B10/07955G02B26/0816G02B27/126G02B27/0977
Inventor 彭杨陆日金为开沈家沛
Owner 天津弘毅光技术有限公司
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