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Mechanisms of femtosecond laser-induced refractive index modification of poly(methyl methacrylate)

By Alexandra Baum, Patricia J. Scully, Walter Perrie, Dun Liu and Valerio Lucarini


The mechanisms of refractive index change in poly(methyl methacrylate) by frequency doubled femtosecond laser pulses are investigated. It is demonstrated that positive refractive index modificaton can be caused by a combination of depolymerization and crosslinking

Publisher: The Optical Society of America
Year: 2010
OAI identifier: oai:centaur.reading.ac.uk:16699

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