Frequency stabilization of 0.633-μm line with the aid of 3.39-μm line locked to CH4
- 15 November 1979
- journal article
- research article
- Published by AIP Publishing in Applied Physics Letters
- Vol. 35 (10) , 745-747
- https://doi.org/10.1063/1.90954
Abstract
0.633‐ and 3.39‐μm lines were brought into simultaneous oscillation with a He‐Ne laser. The 3.39‐μm line was locked to the saturated absorption line of CH4 to control the cavity length, as a result of which the 0.633‐μm line was also frequency stabilized. The frequency stability of the 0.633‐μm line was better than 4.2×10−9/h, which is the stability of a reference laser HP 5500C.Keywords
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