Open AccessCompact fiber amplifier pumped OPCPA system delivering Gigawatt peak power 35 fs pulses
Author(s) -
Jan Rothhardt,
Steffen Hädrich,
Thomas Gottschall,
Tina Clausnitzer,
Jens Limpert,
Andreas Tünnermann
Publication year - 2009
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.17.024130
Subject(s) - optics , amplifier , chirped pulse amplification , materials science , picosecond , fiber laser , regenerative amplification , optical amplifier , laser , optical parametric amplifier , optoelectronics , ultrashort pulse , physics , cmos
We report on a compact Gigawatt peak power OPCPA system which is pumped by the second harmonic of an Yb-doped fiber amplifier and seeded by a cavity dumped Ti:Sapphire oscillator. Picosecond pump pulses for the OPCPA are generated by spectral filtering and directly amplified to 1 mJ pulse energy in several fiber amplifiers, without the need of chirped pulse amplification. Since no stretcher and compressor is required, the pump laser is very compact and easy to operate. The two stage optical parametric amplifier delivers 35 fs pulses with 53 microJ pulse energy and 1.1 GW peak power at 40 kHz repetition rate. Additionally, the scaling potential of this approach is discussed.