Dye laser frequency locking to the hyperfine structure (3S1/2, F=2−3P1/2, F=2) of sodium D1 line by using polarization spectroscopy
- 8 February 1988
- journal article
- research article
- Published by AIP Publishing in Applied Physics Letters
- Vol. 52 (6) , 417-419
- https://doi.org/10.1063/1.99428
Abstract
The frequency of a single-mode dye laser is locked to a hyperfine structure of the sodium D1 line without modulating the laser frequency. The frequency locking method uses the error signal from a dispersion curve generated from the polarization spectroscopic output. The servo loop provides a frequency fluctuation less than ±0.3 MHz for more than 30 min.Keywords
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