SYMPOSIA PAPER Published: 01 January 1988

On the Role of Water in the Laser Conditioning Effect


This paper reports on a series of experiments designed to collect phenomenological data regarding the role of water in the laser conditioning effect. To understand the data collected, a model of the mechanism of laser conditioning is introduced. The model posited is that water included in the coating absorbs some of the incident laser energy and this increased absorption causes lowered damage thresholds. Further, it is assumed that, during the sub-threshold irradiation of the surface under test, water is desorbed before damage occurs. The decreased water content in the coating leads to higher damage performance due to the decreased absorption of the incident laser energy.

Author Information

Arenberg, JW
Frink, ME
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Developed by Committee: F01
Pages: 430–439
DOI: 10.1520/STP24453S
ISBN-EB: 978-0-8031-5033-1
ISBN-13: 978-0-8031-4481-1