Towards 3-D laser nano patterning in polymer optical materials

Patricia J. Scully; Walter Perrie

doi:10.1117/12.2078285

12 March 2015 Towards 3-D laser nano patterning in polymer optical materials

Patricia J. Scully, Walter Perrie

Proceedings Volume 9351, Laser-based Micro- and Nanoprocessing IX; 935113 (2015) https://doi.org/10.1117/12.2078285
Event: SPIE LASE, 2015, San Francisco, California, United States

Abstract

Progress towards 3-D subsurface structuring of polymers using femtosecond lasers is presented. Highly localised refractive index changes can be generated deep in transparent optical polymers without pre doping for photosensitisation or post processing by annealing. Understanding the writing conditions surpasses the limitations of materials, dimensions and chemistry, to facilitate unique structures entirely formed by laser-polymeric interactions to overcome materials, dimensional, refractive index and wavelength constraints.. Numerical aperture, fluence, temporal pulselength, wavelength and incident polarisation are important parameters to be considered, in achieving the desired inscription. Non-linear aspects of multiphoton absorption, plasma generation, filamentation and effects of incident polarisation on the writing conditions will be presented.

Citation Download Citation

Patricia J. Scully and Walter Perrie "Towards 3-D laser nano patterning in polymer optical materials", Proc. SPIE 9351, Laser-based Micro- and Nanoprocessing IX, 935113 (12 March 2015); https://doi.org/10.1117/12.2078285

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