SINGLE-MODE OPERATION AND MODE LOCKING OF HIGH-PRESSURE CO2 LASERS BY MEANS OF SATURABLE ABSORBERS
- 15 February 1971
- journal article
- research article
- Published by AIP Publishing in Applied Physics Letters
- Vol. 18 (4) , 130-132
- https://doi.org/10.1063/1.1653595
Abstract
Single‐longitudinal‐mode operation of pulsed, high‐pressure, transversely excited CO2 lasers has been obtained by means of a saturable absorber (SF6) cell placed inside the laser cavity. Eighty percent of the multimode ouput power is obtained in the single‐mode output. Single‐mode operation has been verified by means of a scanning Fabry‐Perot interferometer. Pressure broadening of the saturable absorber by a buffer gas has been found to cause multimode mode‐locked operation of the laser.Keywords
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