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 |
| 卷 | 27 |
| 期 | 7 |
| DOI | |
| 出版状态 | 已出版 - 7月 2010 |
| 已对外发布 | 是 |
指纹
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