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Titolo:
Effect of inhomogeneities of an active medium on the divergence of radiation from a long-pulse electric-discharge XeCl laser
Autore:
Losev, VF; Panchenko, YN;
Indirizzi:
Russian Acad Sci, Inst High Current Elect, Siberian Div, Tomsk 634055, Russia Russian Acad Sci Tomsk Russia 634055 Siberian Div, Tomsk 634055, Russia
Titolo Testata:
QUANTUM ELECTRONICS
fascicolo: 4, volume: 31, anno: 2001,
pagine: 293 - 297
SICI:
1063-7818(200104)31:4<293:EOIOAA>2.0.ZU;2-Q
Fonte:
ISI
Lingua:
ENG
Soggetto:
STIMULATED BRILLOUIN-SCATTERING; KRF LASER; TERMINATION;
Keywords:
excimer laser; active medium; wave-front distortions; divergence; inhomogeneity of a medium;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Physical, Chemical & Earth Sciences
Citazioni:
27
Recensione:
Indirizzi per estratti:
Indirizzo: Losev, VF Russian Acad Sci, Inst High Current Elect, Siberian Div, Akademicheskii Prosp 4, Tomsk 634055, Russia Russian Acad Sci Akademicheskii Prosp4 Tomsk Russia 634055 sia
Citazione:
V.F. Losev e Y.N. Panchenko, "Effect of inhomogeneities of an active medium on the divergence of radiation from a long-pulse electric-discharge XeCl laser", QUANTUM EL, 31(4), 2001, pp. 293-297

Abstract

The effect of optical inhomogeneities of the active medium of an electric-discharge XeCl laser excited by 300-ns pulses on the divergence of amplified radiation is experimentally studied. The possibility of obtaining the diffraction-limited divergence of radiation at the output of the amplifier is shown. Under our conditions, for the pump power density exceeding 400 kW cm(-3), the radiation divergence in mainly determined by the nonuniformity ofthe gain profile of the active medium that appears at a certain stage of the discharge burning. This property of the active medium is caused by the development of macro- and microinhomogeneities; of the discharge current.

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Documento generato il 29/03/20 alle ore 13:57:10