Mr. Mengmeng Gong Profile

Mengmeng Gong

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Proceedings Article | 21 March 2023 Paper

Thermal control design and analysis for the femtosecond optical frequency comb of spacecraft

Linghua Wang, Mengmeng Gong, Qian Wang, Jiaxin Li

Proceedings Volume 12595, 125951F (2023) https://doi.org/10.1117/12.2668422

KEYWORDS: Femtosecond phenomena, Design and modelling, Frequency combs, Space operations, Thermal analysis, Femtosecond lasers

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In order to ensure the normal operation of the femtosecond optical frequency comb in spacecraft cabin, the thermal design was presented. The environment of the femtosecond optical frequency comb was analyzed, and its requirements of thermal control was stated. The thermal control pattern of the femtosecond optical frequency comb was depicted. This paper built the finite element model and simulated the femtosecond optical frequency comb’s two extreme conditions with the NX-TMG software. In the extreme conditions, the results of the simulation indicate that the temperature level of the oscillators and the frequency multiplier components are 27.3℃~32.9℃, and the temperature level of electronic components satisfy derating design, which could satisfy the requirements. The results of the simulation indicate that the thermal design is feasible and reasonable. Finally, the ground test is carried out. The data between test and analysis is less than 5℃, almost the same. The research jobs could give some guidance and reference for other femtosecond optical frequency comb.

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