Recent advancements in anti-reflective surface structures (ARSS) for near- to mid-infrared optics

Catalin M. Florea; Lynda E. Busse; Shyam S. Bayya; Brandon Shaw; Ish D. Aggarwal; Jas S. Sanghera

doi:10.1117/12.2016080

4 June 2013 Recent advancements in anti-reflective surface structures (ARSS) for near- to mid-infrared optics

Catalin M. Florea, Lynda E. Busse, Shyam S. Bayya, Brandon Shaw, Ish D. Aggarwal, Jas S. Sanghera

Proceedings Volume 8708, Window and Dome Technologies and Materials XIII; 87080P (2013) https://doi.org/10.1117/12.2016080
Event: SPIE Defense, Security, and Sensing, 2013, Baltimore, Maryland, United States

Abstract

Fused silica, YAG crystals, and spinel ceramics substrates have been successfully patterned through reactive ion etching (RIE). Reflection losses as low as 0.1% have been demonstrated for fused silica at 1.06 microns. Laser damage thresholds have been measured for substrates with ARSS and compared with uncoated and/or thin-film anti-reflection (AR) coated substrates. Thresholds as high as 100 J/cm² have been demonstrated in fused silica with ARSS at 1.06 microns, with ARSS substrates showing improved thresholds when compared with uncoated substrates.

Citation Download Citation

Catalin M. Florea, Lynda E. Busse, Shyam S. Bayya, Brandon Shaw, Ish D. Aggarwal, and Jas S. Sanghera "Recent advancements in anti-reflective surface structures (ARSS) for near- to mid-infrared optics", Proc. SPIE 8708, Window and Dome Technologies and Materials XIII, 87080P (4 June 2013); https://doi.org/10.1117/12.2016080

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