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Integrated, reliable laser system for an ^(87)Rb cold atom fountain clock

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摘要 We designed, assembled, and tested a reliable laser system for ^(87)Rb cold atom fountain clocks. The laser system is divided into four modules according to function, which are convenient for installing, adjusting, maintaining, and replacing of the modules. In each functional module, all optical components are fixed on a baseplate with glue and screws, ensuring the system's structural stability. Mechanical stability was verified in a 6.11g RMS randomvibration test, where the change in output power before and after vibration was less than 5%. Thermal stability was realized by optimizing of the structure and appropriate selection of component materials of the modules through thermal simulation. In the laser splitting and output module, the change in laser power was less than 20% for each fiber in thermal cycles from 5℃ to 43℃. Finally,the functionality of the laser system was verified for a rubidium fountain clock.
作者 张镇 项静峰 徐斌 冯盼 孙广伟 孟一鸣 邓思敏达 任伟 万金银 吕德胜 Zhen Zhang;Jing-Feng Xiang;Bin Xu;Pan Feng;Guang-Wei Sun;Yi-Ming Meng;Si-Min-Da Deng;Wei Ren;Jin-Yin Wan;De-Sheng Lü(Key Laboratory of Quantum Optics and Center of Cold Atom Physics,Shanghai Institute of Optics and Fine Mechanics,Chinese Academy of Sciences,Shanghai 201800,China;College of Materials Science and Opto-Electronic Technology,University of Chinese Academy of Sciences,Beijing 100049,China;Aerospace Laser Engineering Department,Shanghai Institute of Optics and Fine Mechanics,Chinese Academy of Sciences,Shanghai 201800,China)
出处 《Chinese Physics B》 SCIE EI CAS CSCD 2023年第1期68-73,共6页 中国物理B(英文版)
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