High average power 88 W OPCPA system for high-repetition-rate experiments at the LCLS x-ray free-electron laser | Zendy

Katalin Mecseki | Zendy; Matthew K. R. Windeler | Zendy; Alan Miahnahri | Zendy; Joseph S. Robinson | Zendy; James M. Fräser | Zendy; Alan Fry | Zendy; F. Tavella | Zendy

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High average power 88 W OPCPA system for high-repetition-rate experiments at the LCLS x-ray free-electron laser

Author(s) -

Katalin Mecseki,

Matthew K. R. Windeler,

Alan Miahnahri,

Joseph S. Robinson,

James M. Fräser,

Alan Fry,

F. Tavella

Publication year - 2019

Publication title -

optics letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.524

H-Index - 272

eISSN - 1071-2763

pISSN - 0146-9592

DOI - 10.1364/ol.44.001257

Subject(s) - optics , laser , materials science , amplifier , laser beam quality , chirped pulse amplification , regenerative amplification , optical amplifier , amplified spontaneous emission , wavelength , optoelectronics , femtosecond , physics , laser beams , cmos

We present a 100 kHz, sub-20 fs optical parametric chirped-pulse amplifier (OPCPA) system delivering 88.6 W average power at a center wavelength of 800 nm. The seed pulses are derived from the pump laser via white-light continuum generation and are amplified in three non-collinear OPCPA stages. The final two high-power stages are pumped with a 661 W Yb:YAG InnoSlab amplifier. A simple and robust design is used for the OPCPA system to avoid thermal effects and enhance long-term stability, resulting in excellent beam quality and high conversion efficiency. To the best of our knowledge, this is the highest average power OPCPA system reported to date.

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