• Special Issue
  • Special Issue on the 10th anniversary of High Power Laser Science and Engineering
  • 4 Article (s)
eXawatt Center for Extreme Light Studies|On the Cover
Efim Khazanov, Andrey Shaykin, Igor Kostyukov, Vladislav Ginzburg, Ivan Mukhin, Ivan Yakovlev, Alexander Soloviev, Ivan Kuznetsov, Sergey Mironov, Artem Korzhimanov, Denis Bulanov, Ilya Shaikin, Anton Kochetkov, Alexey Kuzmin, Mikhail Martyanov, Vladimir Lozhkarev, Mikhail Starodubtsev, Alexander Litvak, and Alexander Sergeev
The eXawatt Center for Extreme Light Studies project aimed to create a large scientific infrastructure based on lasers with giant peak power. The project relies on the significant progress achieved in the last decade. The planned infrastructure will incorporate a unique light source with a pulse power of 600 PW using optical parametric chirped pulse amplification in large-aperture KD2PO4, deuterated potassium dihydrogen phosphate crystals. The interaction of such laser radiation with matter represents a completely new fundamental physics. The direct study of the space–time structure of vacuums and other unknown phenomena at the frontier of high-energy physics and the physics of superstrong fields will be challenged. Expected applications will include the development of compact particle accelerators, the generation of ultrashort pulses of hard X-ray and gamma radiation for material science enabling one to probe material samples with unprecedented spatial and temporal resolution, the development of new radiation and particle sources, etc. The paper is translation from Russian [Kvantovaya Elektronika 53, 95 (2023)].
High Power Laser Science and Engineering
  • Publication Date: Aug. 30, 2023
  • Vol. 11, Issue 6, 06000e78 (2023)
Reducing laser beam fluence and intensity fluctuations in symmetric and asymmetric compressors
Efim Khazanov
All space–time coupling effects arising in an asymmetric optical compressor consisting of two non-identical pairs of diffraction gratings are described analytically. In each pair, the gratings are identical and parallel to each other, whereas the distance between the gratings, the groove density and the angle of incidence are different in different pairs. It is shown that the compressor asymmetry does not affect the far-field fluence and on-axis focal intensity. The main distinctive feature of the asymmetric compressor is spatial noise lagging behind or overtaking the main pulse in proportion to the transverse wave vector. This results in a degraded contrast but reduces beam fluence fluctuations at the compressor output. Exact expressions are obtained for the spectrum of fluence fluctuations and fluence root mean square that depends only on one parameter characterizing compressor asymmetry. The efficiency of small-scale self-focusing suppression at subsequent pulse post-compression is estimated.
High Power Laser Science and Engineering
  • Publication Date: Nov. 06, 2023
  • Vol. 11, Issue 6, 06000e93 (2023)

Since its launch in 2013, High Power Laser Science and Engineering (HPLSE) has now been published for 10 years. Supported by the founding Co-Editors-in-Chief Zunqi Lin and Colin Danson, the subsequent Co-Editor-in-Chief Jianqiang Zhu and other extraordinary Editorial Board members, HPLSE rapidly obtained its reputation in the high power laser community. So far, more than 450 papers from 430 institutions in 32 countries have been published in HPLSE. We appreciate the contributions made by authors and reviewers, which have led to the continued success of our journal. HPLSE is now one of the most important journals in the field of high power lasers.