This article is cited in 2 papers

Lasers, active media

Relaxation oscillations in a bipolarised Nd : YAG laser with a Fabry – Perot cavity

P. A. Khandokhin

Federal Research Center The Institute of Applied Physics of the Russian Academy of Sciences, Nizhny Novgorod

Abstract: Based on the model of a bipolarised laser, which takes into account real orientations of absorbing and emitting dipoles of active centres in the unit cell of an Nd : YAG single crystal, we have shown that the appearance of low-frequency relaxation oscillations requires the participation of both competing pump channels through linearly and circularly polarised dipole transitions.

Keywords: laser, polarisation mode, induced gain anisotropy, relaxation oscillations.

Received: 13.01.2020
Revised: 15.04.2020

 English version: Quantum Electronics, 2020, 50:9, 826–829

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