Holographic reflective Bragg gratings of gain and their role in the operation of high-power pulsed lasers
Journal Article
·
· Quantum Electronics (Woodbury, N.Y.)
- D.F. Ustinov Baltic State Technical University VOENMEKh, ul. Pervaya Krasnoarmeiskaya 1, 190095 St. Petersburg (Russian Federation)
- Moscow State University of Geodesy and Cartography, ul. Molodogvardeiskaya 13, 121467 Moscow (Russian Federation)
The influence of reflective Bragg gratings that are formed in an active medium due to the spatial periodic modulation of gain on the spectral properties of lasing are investigated by an example of a pulsed Nd : YAG laser. It is shown that, at a certain choice of the formation regime of reflective gratings of gain, the lasing bandwidth can be reduced by a factor of 3 – 5, with a corresponding increase in the pulse energy and significant improvement of spatial beam quality. (paper)
- OSTI ID:
- 23141968
- Journal Information:
- Quantum Electronics (Woodbury, N.Y.), Journal Name: Quantum Electronics (Woodbury, N.Y.) Journal Issue: 7 Vol. 50; ISSN 1063-7818; ISSN QUELEZ
- Country of Publication:
- United States
- Language:
- English
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