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Report No.

Generation and evaluation of a 10$$^{20}$$ W/cm$$^{2}$$ intensity by focusing wavefront corrected 100 TW, 10 Hz laser pulses

Akahane, Yutaka; Ma, J.; Fukuda, Yuji; Aoyama, Makoto; Kiriyama, Hiromitsu; Inoue, Norihiro*; Tsuji, Koichi*; Nakai, Yoshiki*; Yamamoto, Yoichi*; Sheldakova, J. V.*; Kudryashov, A. V.*; Yamakawa, Koichi

An improvement of laser-focused peak intensity has been achieved in a JAERI 100 TW Ti:sapphire chirped-pulse amplifier chain with a feedback-controlled adaptive optics system. Measurements of optical parameters of the laser pulse and an experimental tunneling ionization ratio of a rare gas atom with laser energy scaling have practically confirmed an ultrarelativistic intensity of over 10$$^{20}$$ W/cm$$^{2}$$ operating at a 10 Hz repetition rate.



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Category:Physics, Applied



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