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Celestial background noise analysis for laser intersatellite links.

Qinglong Yang1, Liying Tan, Qiqi Han

  • 1National Key Laboratory of Tunable Laser Technology, Harbin Institute of Technology, Harbin 150001, China. yangqinglong2008@gmail.com

Applied Optics
|November 13, 2008
PubMed
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Celestial background noise significantly impacts laser intersatellite links (ISLs). This study presents a method and emulation system to analyze this noise, crucial for evaluating ISL performance.

Area of Science:

  • Optical satellite communications
  • Astrophysics and space environment

Background:

  • Laser intersatellite links (ISLs) are vital for space communication networks.
  • The celestial background (CB) is a potential source of noise affecting ISL performance.

Purpose of the Study:

  • To develop a method for analyzing celestial background noise power and distribution in ISLs.
  • To evaluate the impact of CB noise on ISLs using an emulation analytic system.

Main Methods:

  • Described a simple method to analyze CB noise power and statistical distribution.
  • Established an emulation analytic system for ISL CB noise evaluation.
  • Analyzed CB noise for adjacent interorbital and intraorbital plane ISLs in a low Earth orbit constellation.

Main Results:

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  • The emulation system successfully analyzed CB noise for different ISL configurations.
  • Simulation results provide insights into the performance impact of CB noise on ISLs.
  • The developed method is applicable to various ISL scenarios.

Conclusions:

  • The celestial background is a significant factor in ISL performance.
  • The emulation system is a valuable tool for assessing CB noise effects.
  • Understanding and mitigating CB noise is essential for reliable optical intersatellite links.