An Optically Narrowed Diode Laser for Rb Saturation Spectroscopy
- 1 April 1990
- journal article
- research article
- Published by Taylor & Francis in Journal of Modern Optics
- Vol. 37 (4) , 749-758
- https://doi.org/10.1080/09500349014550811
Abstract
Diode laser linewidths have been reduced by a factor of up to 20 000 using the technique of resonant optical feedback. In this method, the laser frequency also locks optically to a confocal cavity, greatly improving the passive frequency stability. For the first time, such an optically narrowed diode laser has been used to obtain high-resolution Doppler-free spectra of the D2 line of 85Rb and 87Rb at 780 nm.Keywords
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