Design, optical characterization, and operation of large transmission gratings for the laser integration line and laser megajoule facilities

Abstract : Within the framework of the laser integration line (LIL) and the laser megajoule, we describe the design, optical characterization, mounting, alignment, and operation on the LIL of large 420 mm 470 mm transmission gratings. Two types of grating were manufactured. The first, operating at a wavelength of 1.053 m, was used for deviation purposes. The second, operating at a wavelength of 0.351 m, was used for both deviation and focusing purposes. We demonstrate that these large transmission gratings are suitable for nanosecond-regime operation on high-power laser facilities.
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Jerome Neauport, Eric Journot, Gaël Gaborit, Philippe Bouchut. Design, optical characterization, and operation of large transmission gratings for the laser integration line and laser megajoule facilities. Applied optics, Optical Society of America, 2005, pp.3143-3152. ⟨10.1364/AO.44.003143⟩. ⟨cea-01053356⟩

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