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9 April 2002 Aperture scaling of 351-nm high-reflectivity sol-gel-based mirror coatings
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Abstract
This paper discusses the development of sol-gel thin films at AWE with respect to the formation of high reflectivity optical coatings. The use of such mirrors allows the separation of 1053 nm [1ω], 527 nm [2ω] and 351 nm [3ω] light from high power Neodymium laser systems before entering a target chamber and focusing onto a plasma physics target. The coating technique to achieve successful mirrors is discussed along with the analysis of the multilayers. Issues of scaling up from 50-mm diameter components to the coating of 150-mm square optics are reported along with the simultaneous achievement of high reflectivity, uniformity, wavefront preservation and high laser induced damage thresholds (LIDT).
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James E. Andrew, Nicholas J. Bazin, Hazel A. McInnes, A. J. Morris, and K. J. Porter "Aperture scaling of 351-nm high-reflectivity sol-gel-based mirror coatings", Proc. SPIE 4679, Laser-Induced Damage in Optical Materials: 2001, (9 April 2002); https://doi.org/10.1117/12.461693
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