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Kvantovaya Elektronika, 2002, Volume 32, Number 9, Pages 820–824 (Mi qe2298)  

Lasers

Multimode oscillation of a cw unstable-cavity CO2 laser with a nonstationary active medium

V. G. Naumov, P. A. Svotin

State Research Center of Russian Federation "Troitsk Institute for Innovation and Fusion Research"

Abstract: A method of analysis of lasing at several transverse modes in a nonstationary active medium with substantial optical inhomogeneities is developed. It is based on the assumption that the round-trip transit time for radiation in the resonator is much shorter than the characteristic time of a change in the spatial distributions of the gain and refractive index. The nonstationary oscillation of a transverse-flow CO2 laser is analysed by this method in a two-dimensional approximation in the case when the vibrational excitation of an active medium at the cavity input changes in time and phase distortions move.

Full text: PDF file (133 kB)

English version:
Quantum Electronics, 2002, 32:9, 820–824

Bibliographic databases:

PACS: 42.55.Lt, 42.60.Mi
Received: 07.02.2002
Revised: 19.07.2002

Citation: V. G. Naumov, P. A. Svotin, “Multimode oscillation of a cw unstable-cavity CO2 laser with a nonstationary active medium”, Kvantovaya Elektronika, 32:9 (2002), 820–824 [Quantum Electron., 32:9 (2002), 820–824]

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  • http://mi.mathnet.ru/eng/qe/v32/i9/p820

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