Frontend light source for short-pulse pumped OPCPA system |
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Authors: | I Ahmad S A Trushin Z Major C Wandt S Klingebiel T-J Wang V Pervak A Popp M Siebold F Krausz S Karsch |
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Institution: | 1. Max-Planck-Institut für Quantenoptik (MPQ), Hans-Kopfermann-Str. 1, 85748, Garching, Germany 2. Ludwig-Maximilians-Universit?t München, Am Coulombwall 1, 85748, Garching, Germany
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Abstract: | We present the development of a light source for generating optically synchronized seed pulses both for the parametric amplifier chain and the pump-laser chain of the Petawatt Field Synthesizer (PFS), which is currently under construction at MPQ. The PFS system aims at delivering waveform-controlled few-cycle laser pulses with PW-scale peak power using optical parametric chirped pulse amplification (OPCPA). Methods of generating the broadband near-infrared (NIR) seed pulses for the OPCPA chain by spectral broadening using few-cycle pulses are presented. We also demonstrate the generation of a supercontinuum spanning up to three octaves (270–1500 nm) using cascaded hollow-core fibers which supports sub-cycle pulse duration. |
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