Improved laser damage threshold for chalcogenide glasses through surface microstructuring

被引：5

作者：

Florea, Catalin ^{[1
]}

Sanghera, Jasbinder ^{[1
]}

Busse, Lynda ^{[1
]}

Shaw, Brandon ^{[1
]}

Aggarwal, Ishwar ^{[1
]}

机构：

[1] GTEC Inc, Crofton, MD 21114 USA

来源：

PHOTONIC AND PHONONIC PROPERTIES OF ENGINEERED NANOSTRUCTURES | 2011年 / 7946卷

关键词：

chalcogenide; fiber; motheye; sub-wavelength; antireflection; laser; damage; FIBERS;

D O I：

10.1117/12.877292

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

We demonstrate improved laser damage threshold of chalcogenide glasses with microstructured surfaces as compared to chalcogenide glasses provided with traditional antireflection coatings. The surface microstructuring is used to reduce Fresnel losses over large bandwidths in As2S3 glasses and fibers. The treated surfaces show almost a factor of two of improvement in the laser damage threshold when compared with untreated surfaces.

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页数：8

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