光学原子钟系统激光小型驱动锁频电路研制
Development of miniature laser-driven frequency-locking circuits for optical atomic clock systems
摘要
针对光学原子钟的系统工程化需求,研制了一种集成LD(激光二极管)电流和温控驱动的全数字稳频电路系统,整个电路外形体积为120 mm×80 mm×40 mm.通过光抽运铯原子系统测试,可以得到高信噪比的ramsey干涉花样,测试结果显示,该电路系统的稳频精度小于1 MHz.
Abstract
In response to the engineering requirements of optical atomic clock systems,a miniature all digital frequency stabilization circuit incorporating LD current and temperature controlled drivers is developed,which is 120 mm×80 mm×40 mm in external volume. From the optically pumped cesium atomic system tests,a Raman-Ramsey interference pattern with high SNR can be obtained and the test results show that the frequency stabilization precision of this circuit is better than 1 MHz.
常岐海. 光学原子钟系统激光小型驱动锁频电路研制[J]. 光通信研究, 2015, 41(3): 63. Chang Qihai. Development of miniature laser-driven frequency-locking circuits for optical atomic clock systems[J]. Study On Optical Communications, 2015, 41(3): 63.
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