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Acta Armamentarii ›› 2016, Vol. 37 ›› Issue (1): 165-171.doi: 10.3969/j.issn.1000-1093.2016.01.024

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A Comparative Research on Optical Principles and Methods of One-point-to-multi-point Space Laser Communication

ZHANG Ya-lin1, AN Yan1,2, JIANG Hui-lin1,2, WANG Chao1,2, JIANG Lun1,2, HU Yuan1,   

  1. (1.School of Opto-Electronic Engineering, Changchun University of Science and Technology, Changchun 130022, Jilin, China;2.Space OptoElectronic Technology Institute, Changchun University of Science and Technology, Changchun 130022, Jilin, China)〖JP〗
  • Received:2015-03-03 Revised:2015-03-03 Online:2016-03-23
  • Contact: ZHANG Ya-lin E-mail:yalinjs@163.com

Abstract: One-point-to-multi-point laser communication is the key to establish an integrated space-ground information network system, and also is the necessary prerequisite of realizing the inter-satellite communication link. The optical principles and methods of one-point-to-multi-point laser communication are comparied and researched. The fields of view and energy efficiencies of three-concentric sphere structure and rotating parabolic structure are analyzed. The result shows that the horizontal and vertical fields of view of the three-concentric sphere structure are 120°, and the horizontal and vertical fields of view of the rotating parabolic structure are 360° and 100°, respectively. With the increase in the field of view, the energy efficiency of three-concentric sphere structure decreases rapidly. However, the energy efficiency of the rotating parabolic structure is more stable than that of the three-concentric sphere structure in the range of 80°.

Key words: optics, laser communication, one-point-to-multi-point, optical principle

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