UV fatigue of laser optics: laser-induced contamination

Brian M. Arnold; Cyrus Rashvand; Lucas Willis; Matthew Dabney

doi:10.1117/12.2638404

2 December 2022 UV fatigue of laser optics: laser-induced contamination

Brian M. Arnold, Cyrus Rashvand, Lucas Willis, Matthew Dabney

Proceedings Volume 12300, Laser-Induced Damage in Optical Materials 2022; 123000C (2022) https://doi.org/10.1117/12.2638404
Event: SPIE Laser Damage, 2022, Rochester, New York, United States

Abstract

Laser-induced contamination (LIC) can be a major concern of using UV laser systems. Surface contamination occurs via interactions between the UV laser and particulates, water vapor condensate, organics, and airborne molecular contaminates (AMC) from the environment or outgassing from system materials. A brief review of contamination of optics will lead into present results from long-term 355 nm quasi-CW laser transmission experiments at Edmund Optics. Time lapse microscopy was used to monitor nucleation and growth of surface contaminants. Laser burn boxes were constructed for use as a controlled UV LIC testbed; experimental results are presented on transmission losses for various material preparation methods.

Conference Presentation

Citation Download Citation

Brian M. Arnold, Cyrus Rashvand, Lucas Willis, and Matthew Dabney "UV fatigue of laser optics: laser-induced contamination", Proc. SPIE 12300, Laser-Induced Damage in Optical Materials 2022, 123000C (2 December 2022); https://doi.org/10.1117/12.2638404

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