Robust optimization of the laser induced damage threshold of dielectric mirrors for high power lasers

被引：28
作者：
Chorel, Marine [1 ]
Lanternier, Thomas [1 ]
Lavastre, Eric [1 ]
Bonod, Nicolas [2 ]
Bousquet, Bruno [3 ]
Neauport, Jerome [1 ]
机构：
[1] Ctr Etud Sci & Tech Aquitaine CEA CESTA, Commissariat Energie Atom & Energies Alternat, CS60001, F-33116 Le Barp, France
[2] Aix Marseille Univ, CNRS, Inst Fresnel, Cent Marseille, Campus St Jerome, F-13013 Marseille, France
[3] Univ Bordeaux, CELIA, UMR5107, F-33400 Talence, France
来源：
OPTICS EXPRESS | 2018年 / 26卷 / 09期
关键词：
OPTICAL COATING DESIGN; DEPOSITION; RESISTANCE;
D O I：
10.1364/OE.26.011764
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We report on a numerical optimization of the laser induced damage threshold of multi-dielectric high reflection mirrors in the sub-picosecond regime. We highlight the interplay between the electric field distribution, refractive index and intrinsic laser induced damage threshold of the materials on the overall laser induced damage threshold (LIDT) of the multilayer. We describe an optimization method of the multilayer that minimizes the field enhancement in high refractive index materials while preserving a near perfect reflectivity. This method yields a significant improvement of the damage resistance since a maximum increase of 40% can be achieved on the overall LIDT of the multilayer. (C) 2018 Optical Society of America under the terms of the OSA Open Access Publishing Agreement
引用
收藏
页码：11764 / 11774
页数：11
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