The design of high-repetition, high-average power, multipass amplifiers in which the pump power induced thermal lensing within the amplifier is used to create an equivalent lens waveguide for the production of diffraction-limited beams is analyzed. (C) 1998 Optical Society of America.
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Russian Acad Sci, Inst High Current Elect, Siberian Branch, Tomsk 634055, RussiaRussian Acad Sci, Inst High Current Elect, Siberian Branch, Tomsk 634055, Russia
Panchenko, Yu. N.
Losev, V. F.
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Russian Acad Sci, Inst High Current Elect, Siberian Branch, Tomsk 634055, RussiaRussian Acad Sci, Inst High Current Elect, Siberian Branch, Tomsk 634055, Russia
Losev, V. F.
Dudarev, V. V.
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Russian Acad Sci, Inst High Current Elect, Siberian Branch, Tomsk 634055, RussiaRussian Acad Sci, Inst High Current Elect, Siberian Branch, Tomsk 634055, Russia