SEDL / STP / STP1141-EB / STP23628S

Applications of Pulsed Photothermal Deflection Technique in the Study of Laser-Induced Damage in Optical Coatings

Wu, ZL
Shanghai Institute of Optics and Fine Mechanics, Academia Sinica, Shanghai,
Freie Universität Berlin, Berlin,

Reichling, M
Freie Universität Berlin, Berlin,

Fan, ZX
Shanghai Institute of Optics and Fine Mechanics, Academia Sinica, Shanghai,

Wang, ZJ
Shanghai Institute of Optics and Fine Mechanics, Academia Sinica, Shanghai,

Pages: 14    Published: Jan 1991

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Abstract

Pulsed photothermal deflection technique (pulsed-PDT) is employed to make in-situ investigations of laser-induced damage in optical coatings. Preliminary experimental results show that the technique is capable of providing a lot of new information about not only the damage thresholds but also the damage processes, of which of particular interest are the transient damage behavior and the cumulative effect.