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Conferences > CLEO_SI > 2012 > CM4K > CM4K.4

Evidence for Non-Mass-Transfer Mechanism in fs-Laser Formation of Sub-200 nm Structures on Sapphire

Susanta Kumar Das, Frank Güell, Hamza Messaoudi, Martin Bock, and Ruediger Grunwald

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Abstract

Femtosecond-laser induced generation of sub-200 nm structures in Al2O3 is reported. Comparison of experiment to theory favors periodical fluence variation while excluding self-organized mass transfer as responsible mechanism for structure formation.

© 2012 Optical Society of America

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