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Proceedings Paper

Influence of active medium on the mode structure of optical resonator near the loss degeneracy point
Author(s): Nickolai N. Elkin; V. ok Korotkov; Anatoly P. Napartovich; Vera N. Troshchieva
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Paper Abstract

Mode competition in confocal unstable resonators loaded with gain-saturable active medium is discussed. Confocal unstable resonators with magnification M = 2 are investigated, with attention focused on resonators with Neq = 3.8924. A numerical approach for searching efficiently stable solutions in cases where the traditional iterative method converges too slow is employed. Two active-medium models, the Rigrod model and CO(2) flow laser model are utilized. Ranges of resonator and medium parameters for stable one-mode lasing are determined. Similar calculations are performed for unstable axisymmetric confocal resonators.

Paper Details

Date Published: 1 June 1990
PDF: 10 pages
Proc. SPIE 1224, Optical Resonators, (1 June 1990); doi: 10.1117/12.18439
Show Author Affiliations
Nickolai N. Elkin, I. V. Kurchatov Atomic Energy Institute (Russia)
V. ok Korotkov, I. V. Kurchatov Atomic Energy Institute (Russia)
Anatoly P. Napartovich, I. V. Kurchatov Atomic Energy Institute (Russia)
Vera N. Troshchieva, I. V. Kurchatov Atomic Energy Institute (Russia)

Published in SPIE Proceedings Vol. 1224:
Optical Resonators
Dale A. Holmes, Editor(s)

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