Ion-assisted versus nonion-assisted high-laser-damage resistant coatings on BBO (Abstract Only)

Jonathan H. Herringer; Thomas A. Caughey

doi:10.1117/12.472430

30 May 2003 Ion-assisted versus nonion-assisted high-laser-damage resistant coatings on BBO (Abstract Only)

Jonathan H. Herringer, Thomas A. Caughey

Proceedings Volume 4932, Laser-Induced Damage in Optical Materials: 2002 and 7th International Workshop on Laser Beam and Optics Characterization; (2003) https://doi.org/10.1117/12.472430
Event: XXXIV Annual Symposium on Optical Materials for High Power Lasers: Boulder Damage Symposium, 2002, Boulder, CO, United States

Abstract

A comparison of ion assisted deposition (IAD) and non-IAD e-beam coatings on BBO crystals was performed. Samples of BBO were processed as a lot and prepared for coatings using standard solvent cleaning. Two types of coatings were tested; a dual peak anti-reflection, 1064nm and 532nm, and a triple peak anti-reflection, 1064nm, 532nm and 355nm. After depositing of these high laser damage resistant coatings the transmission, reflection and absorption of each coating was measured. Each of the coatings laser damage threshold was determined and an analysis of the two methods of deposition was performed. Additionally, after MIL spec humidity tests were performed on each of the samples, spectral shifts were analyzed for both types of coatings. Conclusions were drawn about the preferred method of deposition for the improvement for spectral characteristics, increased laser damage resistance and reduction of humidity induced spectral shifts.

Citation Download Citation

Jonathan H. Herringer and Thomas A. Caughey "Ion-assisted versus nonion-assisted high-laser-damage resistant coatings on BBO (Abstract Only)", Proc. SPIE 4932, Laser-Induced Damage in Optical Materials: 2002 and 7th International Workshop on Laser Beam and Optics Characterization, (30 May 2003); https://doi.org/10.1117/12.472430

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KEYWORDS

Laser induced damage

Ions

Laser damage threshold

Crystals

Humidity

Optical coatings

Laser crystals

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