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Proceedings Paper

Theoretical study of relaxation in high-power laser amplifiers
Author(s): Tao Wang; Dianyuan Fan
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Paper Abstract

The gain saturation of Nd-glass amplifier is determined by the relaxation rate of populations. The influences of the thermalization rates among the components of the multiplets to which the laser levels belong and of the depletion rate of terminal laser level are investigated in detail. A modified Frantz-Nodvik model in consideration of the influence of thermalization and depletion between laser levels is obtained. By solving these differential equations, we calculated a practical amplifier. The results indicate that the output of the amplifier can increase remarkably when the thermalization time decreases to pulse duration.

Paper Details

Date Published: 4 May 1999
PDF: 4 pages
Proc. SPIE 3613, Solid State Lasers VIII, (4 May 1999); doi: 10.1117/12.347688
Show Author Affiliations
Tao Wang, Shanghai Institute of Optics and Fine Mechanics (China)
Dianyuan Fan, Shanghai Institute of Optics and Fine Mechanics (China)


Published in SPIE Proceedings Vol. 3613:
Solid State Lasers VIII
Richard Scheps, Editor(s)

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