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Design and optical characterization of a large continuous phase-plate for Laser Integration Line and Laser Megajoule facilities

Abstract : For development of the French Laser Integration Line and the Laser Megajoule, we describe the design and the control of a first 383mm 398mmcontinuous phase-plate prototype. Extensively used in laser fusion facilities for beam smoothing, this optical component was manufactured by deep etching onto a fused-silica substrate, which led to a phase plate engraved directly onto fused silica, with which good optical performance could be achieved. We demonstrate good agreement between the desired simulated component and the manufactured component in terms of focal spot
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Submitted on : Wednesday, July 30, 2014 - 3:05:41 PM
Last modification on : Tuesday, October 6, 2020 - 4:28:06 PM
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Jerome Neauport, Xavier Ribeyre, Jerome Daurios, Denis Valla, Martine Lavergne, et al.. Design and optical characterization of a large continuous phase-plate for Laser Integration Line and Laser Megajoule facilities. Applied optics, Optical Society of America, 2003, pp.2377-2382. ⟨10.1364/AO.42.002377⟩. ⟨cea-01053380⟩

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