Contents
2022
Volume: 10 Issue 3
4 Article(s)

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Research Articles
Ultra-compact post-compressor on-shot wavefront measurement for beam correction at PHELIX
J. B. Ohland, U. Eisenbarth, B. Zielbauer, Y. Zobus, D. Posor, J. Hornung, D. Reemts, and V. Bagnoud
High Power Laser Science and Engineering
  • Publication Date: May. 15, 2022
  • Vol. 10 Issue 3 03000e18 (2022)
Numerical study of spatial chirp distortion in quasi-parametric chirped-pulse amplification
Yirui Wang, Jing Wang, Jingui Ma, Peng Yuan, and Liejia Qian
Optical parametric chirped-pulse amplification is inevitably subject to high-order spatial chirp, particularly under the condition of saturated amplification and a Gaussian pump; this corresponds to an irreversible spatiotemporal distortion and consequently degrades the maximum attainable focused intensity. In this paper, we reveal that such spatial chirp distortion can be significantly mitigated in quasi-parametric chirped-pulse amplification (QPCPA) with idler absorption. Simulation results show that the quality of focused intensity in saturated QPCPA is nearly ideal, with a spatiotemporal Strehl ratio higher than 0.98. As the seed bandwidth increases, the idler absorption spectrum may not be uniform, but the Strehl ratio in QPCPA can be still high enough due to stronger idler absorption.
High Power Laser Science and Engineering
  • Publication Date: May. 15, 2022
  • Vol. 10 Issue 3 03000e20 (2022)
10 PW peak power femtosecond laser pulses at ELI-NP
Christophe Radier, Olivier Chalus, Mathilde Charbonneau, Shanjuhan Thambirajah, Guillaume Deschamps, Stephane David, Julien Barbe, Eric Etter, Guillaume Matras, Sandrine Ricaud, Vincent Leroux, Caroline Richard, François Lureau, Andrei Baleanu, Romeo Banici, Andrei Gradinariu, Constantin Caldararu, Cristian Capiteanu, Andrei Naziru, Bogdan Diaconescu, Vicentiu Iancu, Razvan Dabu, Daniel Ursescu, Ioan Dancus, Calin Alexandru Ur, Kazuo A. Tanaka, and Nicolae Victor Zamfir
High Power Laser Science and Engineering
  • Publication Date: May. 15, 2022
  • Vol. 10 Issue 3 03000e21 (2022)