100-J level green laser beam homogenization to a pump petawatt class Ti:sapphire chirped-pulse amplification laser system

Kiriyama, Hiromitsu; Tanaka, Momoko; Ochi, Yoshihiro; Nakai, Yoshiki; Sasao, Hajime; Okada, Hajime; Mori, Michiaki; Shimomura, Takuya; Kanazawa, Shuhei; Daido, Hiroyuki; Bolton, P.; Kawanishi, Shunichi

The capability of diffractive optical elements (DOE) for beam homogenization of 100-J level high-energy Nd:glass green laser has been experimentally demonstrated. With the large-aperture homogenization optics, we have successfully generated near-perfect top-hat-like green beam intensity distributions at the target plane. The output of the system is readily suited for pumping a large-aperture Ti:sapphire crystal, making it possible to develop high beam quality, chirped-pulse amplification (CPA) systems at the petawatt (PW) power level.

Language	:	English
Journal	:	Reza Kenkyu
Volume	:	37
Number	:	6
Pages	:	p.467 - 469
Publication Year/Month	:	2009/06
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Paper URL	:	http://ci.nii.ac.jp/naid/10024748929
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Keywords	:	no keyword
Research Facility	:	Tキューブレーザー施設
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Registration No. : AA20090138
JAEA Abstracts No. : 37001066
Paper Submission No. : 6069

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