Special issue 'Extreme light fields and their interaction with matter'

Calculation of single-pass gain for laser ceramics with losses

S. M. Vatnik

Institute of Laser Physics, Siberian Branch, Russian Academy of Sciences, Novosibirsk

Abstract: Rate equations describing the single-pass gain in an active medium with losses are analytically solved. The found relations illustrate the dependences of the amplification efficiency of Nd : YAG ceramics on the pump power density and specific losses. It is concluded that specific losses can be estimated from comparative measurements of unsaturated and saturated gains.

Keywords: laser ceramics, optical amplifiers, specific losses, amplification efficiency.

Received: 16.02.2018

 English version: Quantum Electronics, 2018, 48:4, 363–365

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