The application and research of the multi-receiving telescopes technology in laser ranging to space targets

Zhibo Wu; Haifeng Zhang; Zhongping Zhang; Huarong Deng; Pu Li; Wendong Meng; Zhien Cheng; Lurun Shen; Zhenhong Tang

doi:10.1117/12.2071415

18 November 2014 The application and research of the multi-receiving telescopes technology in laser ranging to space targets

Zhibo Wu, Haifeng Zhang, Zhongping Zhang, Huarong Deng, Pu Li, Wendong Meng, Zhien Cheng, Lurun Shen, Zhenhong Tang

Author Affiliations +

Proceedings Volume 9298, International Symposium on Optoelectronic Technology and Application 2014: Imaging Spectroscopy; and Telescopes and Large Optics; 92981B (2014) https://doi.org/10.1117/12.2071415
Event: International Symposium on Optoelectronic Technology and Application 2014, 2014, Beijing, China

Abstract

Laser ranging technology can directly measure the distance between space targets and ground stations with the highest measurement precision and will play an irreplaceable role in orbit check and calibrating microwave measurement system. The precise orbit determination and accurate catalogue of space targets can also be realized by laser ranging with multi-stations. Among space targets, most of ones are inactive targets and space debris, which should be paid the great attentions for the safety of active spacecrafts. Because of laser diffuse reflection from the surface of targets, laser ranging to space debris has the characteristics of wide coverage and weak strength of laser echoes, even though the powerful laser system is applied. In order to increase the receiving ability of laser echoes, the large aperture telescope should be adopted. As well known, some disadvantages for one set of large aperture telescope, technical development difficulty and system running and maintenance complexity, will limit its flexible applications. The multi-receiving telescopes technology in laser ranging to space targets is put forward to realize the equivalent receiving ability produced by one larger aperture telescope by way of using multi-receiving telescopes, with the advantages of flexibility and maintenance. The theoretical analysis of the feasibility and key technologies of multi-receiving telescopes technology in laser ranging to space targets are presented in this paper. The experimental measurement system based on the 60cm SLR system and 1.56m astronomical telescopes with a distance of about 50m is established to provide the platform for researching on the multi-receiving telescopes technology. The laser ranging experiments to satellites equipped with retro-reflectors are successfully performed by using the above experimental system and verify the technical feasibility to increase the ability of echo detection. And the multi-receiving telescopes technology will become a novel effective way to improve the detection ability of laser ranging to space debris.

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Zhibo Wu, Haifeng Zhang, Zhongping Zhang, Huarong Deng, Pu Li, Wendong Meng, Zhien Cheng, Lurun Shen, and Zhenhong Tang "The application and research of the multi-receiving telescopes technology in laser ranging to space targets", Proc. SPIE 9298, International Symposium on Optoelectronic Technology and Application 2014: Imaging Spectroscopy; and Telescopes and Large Optics, 92981B (18 November 2014); https://doi.org/10.1117/12.2071415

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