Measurement of the 5S1/2 to 5D5/2 two-photon clock transition frequency of rubidium-85 in high vacuum

Chi Hsiang Chu, Po Cheng Chang, Yu Jhe Shih, Dah An Luh, Ming Shien Chang, Tze Wei Liu, Yi Ting Lin, Bo Wei Chen, Wang Yau Cheng

研究成果: 雜誌貢獻期刊論文同行評審

摘要

We present a scheme to precisely resolve the unperturbed line shape of an optical rubidium clock transition in a high vacuum, by which we avoided the systematic errors of "collision shift" and "modulation shift." The spectral resolution resolved by this scheme is significantly improved such that we can use "Zeeman broadening" to inspect the stray magnetic field, through which we were able to compensate the magnetic field inside the Rb cells to be below 10-3 Gauss. We thus update the absolute frequency of the clock transition and propose a standard operation procedure (SOP) for the clock self-calibration.

原文???core.languages.en_GB???
頁(從 - 到)5984-5987
頁數4
期刊Optics Letters
48
發行號22
DOIs
出版狀態已出版 - 15 11月 2023

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