• High Power Laser Science and Engineering
  • Vol. 10, Issue 3, 03000e18 (2022)
J. B. Ohland1、2、*, U. Eisenbarth1, B. Zielbauer1, Y. Zobus1、3, D. Posor1、2, J. Hornung1, D. Reemts1, and V. Bagnoud1、2、4
Author Affiliations
  • 1GSI Helmholtzzentrum für Schwerionenforschung, 64291Darmstadt, Germany
  • 2Institute for Applied Physics, Technische Universität Darmstadt, 64289Darmstadt, Germany
  • 3Institute of Nuclear Physics, Technische Universität Darmstadt, 64289Darmstadt, Germany
  • 4Helmholtz-Institut Jena, 07743Jena, Germany
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    DOI: 10.1017/hpl.2022.9 Cite this Article
    J. B. Ohland, U. Eisenbarth, B. Zielbauer, Y. Zobus, D. Posor, J. Hornung, D. Reemts, V. Bagnoud. Ultra-compact post-compressor on-shot wavefront measurement for beam correction at PHELIX[J]. High Power Laser Science and Engineering, 2022, 10(3): 03000e18 Copy Citation Text show less

    Abstract

    In order to reach the highest intensities, modern laser systems use adaptive optics to control their beam quality. Ideally, the focal spot is optimized after the compression stage of the system in order to avoid spatio-temporal couplings. This also requires a wavefront sensor after the compressor, which should be able to measure the wavefront on-shot. At PHELIX, we have developed an ultra-compact post-compressor beam diagnostic due to strict space constraints, measuring the wavefront over the full aperture of 28 cm. This system features all-reflective imaging beam transport and a high dynamic range in order to measure the wavefront in alignment mode as well as on shot.

    1 Introduction

    Modern high-intensity lasers are built of several stages of amplification, in which the laser beam dimension is scaled up to several tens of centimeters[1]. These large apertures increase the sensitivity to beam distortions, limiting the intensities and the usage for applications that require near diffraction-limited conditions[2].

    Copy Citation Text
    J. B. Ohland, U. Eisenbarth, B. Zielbauer, Y. Zobus, D. Posor, J. Hornung, D. Reemts, V. Bagnoud. Ultra-compact post-compressor on-shot wavefront measurement for beam correction at PHELIX[J]. High Power Laser Science and Engineering, 2022, 10(3): 03000e18
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