SEDL / STP / STP799-EB / STP37267S

Graded-index Antireflective Coatings for High Power Lasers Deposited by the Sol-Gel Process

Lowdermilk, WH
Lawrence Livermore National Laboratory, Livermore, California

Mukherjee, SP
Lawrence Livermore National Laboratory, Livermore, California

Pages: 7    Published: Jan 1983

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Abstract

Gradient-index alkali borosilicate antireflection films for use in lase systems were deposited by the sol-gel process. Laser damage thresholds of these films, measured with 1.07μm, 1-ns pulses, were four times greater than thresholds of widely-used, multilayer, antireflection coatings.