Mechanisms of femtosecond laser-induced refractive index modification of poly(methyl methacrylate)
Baum, A., Scully, P. J., Perrie, W., Liu, D. and Lucarini, V. (2010) Mechanisms of femtosecond laser-induced refractive index modification of poly(methyl methacrylate). Journal of the Optical Society of America B-Optical Physics, 27 (1). 107-111 . ISSN 0030-3941
To link to this article DOI: 10.1364/JOSAB.27.000107
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.
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