Abstract
Time resolved reflectivity measurements of thin aluminum films undergoing damage by picosecond laser pulses are described. Experimental results are compared with results from reflectance calculations using the model of hydrodynamic expansion of a metal layer heated by a short laser pulse. Both experimental and theoretical results confirm that thin metal films are useful as damageable optical elements in an optical power limiting device. {copyright} {ital 1996 Society of Photo{minus}Optical Instrumentation Engineers.}
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