Improved laser damage threshold for chalcogenide glasses through surface microstructuring

Catalin Florea; Jasbinder Sanghera; Lynda Busse; Brandon Shaw; Ishwar Aggarwal

doi:10.1117/12.877292

1 March 2011 Improved laser damage threshold for chalcogenide glasses through surface microstructuring

Catalin Florea, Jasbinder Sanghera, Lynda Busse, Brandon Shaw, Ishwar Aggarwal

Proceedings Volume 7946, Photonic and Phononic Properties of Engineered Nanostructures; 794610 (2011) https://doi.org/10.1117/12.877292
Event: SPIE OPTO, 2011, San Francisco, California, United States

Abstract

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.

Citation Download Citation

Catalin Florea, Jasbinder Sanghera, Lynda Busse, Brandon Shaw, and Ishwar Aggarwal "Improved laser damage threshold for chalcogenide glasses through surface microstructuring", Proc. SPIE 7946, Photonic and Phononic Properties of Engineered Nanostructures, 794610 (1 March 2011); https://doi.org/10.1117/12.877292

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