レーザー研究
Online ISSN : 1349-6603
Print ISSN : 0387-0200
ISSN-L : 0387-0200
レーザーレター
Development of A Compact High-Spatiotemporal-Quality Yb:YAG Thin-Disk Laser System Using An Optical Parametric Preamplifier
Hiromitsu KIRIYAMAMasayuki SUZUKIIzuru DAITOHajime OKADAYoshihiro OCHIMasatoshi SATOYoshinori TAMAOKITakehiro YOSHIIJunya MAEDAShinichi MATSUOKAHirofumi KANKeisuke NAGASHIMAAkira SUGIYAMAKiminori KONDOPaul BOLTONShunichi KAWANISHIHiroyuki DAIDOToyoaki KIMURAToshiki TAJIMA
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ジャーナル フリー

2012 年 40 巻 2 号 p. 143-

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We demonstrate a compact, high-spatiotemporal-quality, high-intensity diode-pumped Yb:YAG thin-disk chirped-pulse amplification (CPA) laser system that incorporates a nonlinear preamplifier based on optical parametric chirped-pulse amplification (OPCPA). The stretched pulses are amplified in the OPCPA preamplifier and the following Yb:YAG main amplifier to ~100 mJ at 10 Hz. The broadband amplified beam quality of 1.1 (horizontal direction) and 1.4 (vertical direction) times diffraction limited and pulse compression down to 470 fs with contrast of better than 10-8 have been achieved successfully.
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© 2012 by The Laser Society of Japan
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