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Stable narrow linewidth 689nm diode laser for the second stage cooling and trapping of strontium atoms

  • Ye Li*
  • , Yi Ge Lin
  • , Yang Zhao
  • , Qiang Wang
  • , Shao Kai Wang
  • , Tao Yang
  • , Jian Ping Cao
  • , Tian Chu Li
  • , Zhan Jun Fang
  • , Er Jun Zang
  • *此作品的通讯作者

科研成果: 期刊稿件文章同行评审

摘要

We report stable narrow linewidth laser systems based on self-developed Littman configuration external cavity diode lasers (ECDLs). The frequency of the ECDL is stabilized to a high fineness ultralow-expansion glass reference cavity with the Pound-Drever-Hall technique. By heterodyne beating of two identical systems, we conclude that the linewidth of each ECDL is reduced to lower than 150Hz and its frequency stability reaches 4.3 × 10-14 at an averaging time of 1 s, the averaged long-term frequency drift is less than 0.2 Hz/s over 30h measurement time.

源语言英语
文章编号074208
期刊Chinese Physics Letters
27
7
DOI
出版状态已出版 - 7月 2010
已对外发布

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