Gradient-index AR film deposited by the sol-gel process.
Gradient-index alkali borosilicate antireflection films for use in laser systems were deposited by the sol-gel process. Laser damage thresholds of these films, measured with 1.06-microm 1-nsec pulses, were four times greater than thresholds of widely used, multilayer, antireflection coatings.
Mukherjee
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Lowdermilk
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