Abstract
Development of space mini passive hydrogen maser has been carried out in Shanghai Astronomical Observatory. Research on key technologies such as miniatured cavity-bulb assembly, absorption pump, magnetic state selection assembly and magnetic shield has made progress, Parameters of microwave cavity, storage bulb and state selection have been optimized to ensure system performance. Weight of physical package is less than 10 kg and atomic signal is up to 3 dB. Integration with electronic package, optimization and engineering modification are the main work at present. Less than 15 kg of total weight and frequency stability better than 1 × 101τ−1/2(1s ≤ τ ≤ 10,000 s) is expected.
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Xie, Y., Chen, P., Liu, S., Pei, Y., Tao, S., & Lin, C. (2015). Development of space mini passive hydrogen maser. In Lecture Notes in Electrical Engineering (Vol. 342, pp. 343–349). Springer Verlag. https://doi.org/10.1007/978-3-662-46632-2_29
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