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Second - harmonic generation of ultra-high intensity femtosecond pulses with a KDP crystal
Author(s) -
M. Aoyama,
Tetsuo Harimoto,
Jing Ma,
Y. Akahane,
Koichi Yamakawa
Publication year - 2001
Publication title -
optics express
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.394
H-Index - 271
ISSN - 1094-4087
DOI - 10.1364/oe.9.000579
Subject(s) - femtosecond , optics , materials science , laser , second harmonic generation , sapphire , crystal (programming language) , high harmonic generation , intensity (physics) , optoelectronics , physics , computer science , programming language
We investigated second harmonic generation with ultrahigh intensity femtosecond laser pulses from a terawatt Ti: sapphire laser system. Energy conversion efficiency of about 80 % for a type I potassium dideuterium phosphate crystal was obtained with 130 fs laser pulses at an intensity as high as 192 GW/cm 2.

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