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Generation of few-cycle terawatt light pulses using optical parametric chirped pulse amplification
Author(s) -
Stefan Witte,
R. Th. Zinkstok,
W. Hogervorst,
K. S. E. Eikema
Publication year - 2005
Publication title -
optics express
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.394
H-Index - 271
ISSN - 1094-4087
DOI - 10.1364/opex.13.004903
Subject(s) - optics , chirped pulse amplification , materials science , optical parametric amplifier , regenerative amplification , pulse compression , amplifier , pulse (music) , laser , ultrashort pulse , optical amplifier , femtosecond pulse shaping , sapphire , bandwidth limited pulse , optoelectronics , physics , telecommunications , radar , cmos , detector , computer science
We demonstrate the generation of 9.8+/-0.3 fs laser pulses with a peak power exceeding one terawatt at 30 Hz repetition rate, using optical parametric chirped pulse amplification. The amplifier is pumped by 140 mJ, 60 ps pulses at 532 nm, and amplifies seed pulses from a Ti:Sapphire oscillator to 23 mJ/pulse, resulting in 10.5 mJ/pulse after compression while amplified fluorescence is kept below 1%. We employ grating-based stretching and compression in combination with an LCD phase-shaper, allowing compression close to the Fourier limit of 9.3 fs.

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