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Kvantovaya Elektronika, 2001, Volume 31, Number 3, Pages 231–235 (Mi qe1923)  

Control of laser radiation parameters

Synthesis of the spectrum in ring lasers with coupling of counterpropagating waves in a spectral filter and the filtering by real spectral lines

Yu. N. Parkhomenko, V. B. Andrienko

Institute of Sorption and Endoecological Problems, National Academy of Siences of Ukraine, Kiev

Abstract: The formation of radiation with a complex spectrum in a ring titanium laser, with counterpropagating waves coupled in an extracavity spectral filter, is studied. It is shown experimentally that when absorption lines in a flame are used for filtering, weak lenses formed in the flame cause distortions of the spectrum, which can be described only within the framework of a modified method for calculating coupling coefficients. The mechanism of this effect is shown to be associated with a narrow peak of matching fields of counterpropagating waves in unstable cavities in the vicinity of the zero power of a lens in the coupling channel. An optimum regime of the synthesis of the spectrum without distortions but with a high efficiency is found.

Full text: PDF file (194 kB)

English version:
Quantum Electronics, 2001, 31:3, 231–235

Bibliographic databases:

PACS: 42.60.By, 42.60.Da, 42.62.Fi
Received: 30.10.2000

Citation: Yu. N. Parkhomenko, V. B. Andrienko, “Synthesis of the spectrum in ring lasers with coupling of counterpropagating waves in a spectral filter and the filtering by real spectral lines”, Kvantovaya Elektronika, 31:3 (2001), 231–235 [Quantum Electron., 31:3 (2001), 231–235]

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  • http://mi.mathnet.ru/eng/qe/v31/i3/p231

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