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Kvantovaya Elektronika, 2000, Volume 30, Number 12, Pages 1049–1054 (Mi qe1863)  

Active media

Ultrahigh energy gain in small volumes of the active medium in a laser based on an autowave photon-branched chain reaction

V. I. Igoshin, R. R. Letfullin

Samara Branch of P. N. Lebedev Physical Institute, Russian Academy of Sciences

Abstract: The possibility is demonstrated of initiating an autowave photon-branched chain reaction (PBCR) in an originally small focal volume of the laser active medium (H2—F2—O2—He— Al particles) by the external IR radiation focused with a lens. It is shown that the PBCR can spread over the entire active medium of the laser with an unstable telescopic cavity, in the form of self-sustained cylindrical zones of photon branching. The autowave laser-chemical reaction initiated in the lens focus strongly reduces the required energy of the initial input pulse to 0.01 μJ, thereby providing a huge energy gain of ~1011. Because of this ultrahigh gain, a small submicrojoule laser can be used as a master oscillator.

Full text: PDF file (294 kB)

English version:
Quantum Electronics, 2000, 30:12, 1049–1054

Bibliographic databases:

PACS: 42.55.Ks, 42.60.Lh, 82.40.Tc
Received: 03.04.2000

Citation: V. I. Igoshin, R. R. Letfullin, “Ultrahigh energy gain in small volumes of the active medium in a laser based on an autowave photon-branched chain reaction”, Kvantovaya Elektronika, 30:12 (2000), 1049–1054 [Quantum Electron., 30:12 (2000), 1049–1054]

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  • http://mi.mathnet.ru/eng/qe1863
  • http://mi.mathnet.ru/eng/qe/v30/i12/p1049

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