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<p>This paper focuses on the thermal control technology of a new generation ultra-high-speed inter-satellite laser communication terminal. The structure of the laser communication terminal, the influence of the satellite platform’s thermal interface, the difficulties in thermal design, and the thermal design schemes are explained in this paper. Thermal simulation and thermal balance tests are also conducted. In the thermal simulation, the temperature of the main optical system is 18.7℃~22.0℃, and in the thermal balance test, the temperature of the main optical system is 17.6℃ ~ 21.1℃, meeting the requirement of 20 ± 3℃. In addition, the reasons for the low temperature of the shafting components during the thermal test and the problems caused by the new wiring process were discussed, and solutions were given to provide a basis for the thermal design optimization of subsequent project batch production.</p>

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Research on thermal control technology for ultra-high-speed inter-satellite laser communication terminal

  • 期刊论文

  • 出版模式：

    开放获取

  • 发表日期：

    2026年4月28日

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  • Shijun Li,
  • Yanlong Han,
  • Teng Xie,
  • Shaojun Wu

摘要

This paper focuses on the thermal control technology of a new generation ultra-high-speed inter-satellite laser communication terminal. The structure of the laser communication terminal, the influence of the satellite platform’s thermal interface, the difficulties in thermal design, and the thermal design schemes are explained in this paper. Thermal simulation and thermal balance tests are also conducted. In the thermal simulation, the temperature of the main optical system is 18.7℃~22.0℃, and in the thermal balance test, the temperature of the main optical system is 17.6℃ ~ 21.1℃, meeting the requirement of 20 ± 3℃. In addition, the reasons for the low temperature of the shafting components during the thermal test and the problems caused by the new wiring process were discussed, and solutions were given to provide a basis for the thermal design optimization of subsequent project batch production.