Formation of laser-induced periodic structures in TiO2 crystals depending on the surface quality

Susanta Kumar Das; Marcus Rohloff; Andreas Pfuch; Andreas Pfuch; Wolfgang Seeber; Arkadi Rosenfeld; Ruediger Grunwald

doi:10.1364/CLEO_SI.2011.CTuAA2

CLEO:2011 - Laser Applications to Photonic Applications
OSA Technical Digest (CD) (Optica Publishing Group, 2011),
paper CTuAA2
•https://doi.org/10.1364/CLEO_SI.2011.CTuAA2

Formation of laser-induced periodic structures in TiO₂ crystals depending on the surface quality

Susanta Kumar Das, Marcus Rohloff, Andreas Pfuch, Wolfgang Seeber, Arkadi Rosenfeld, and Ruediger Grunwald

CLEO: Science and Innovations 2011

Baltimore, Maryland United States
1–6 May 2011
ISBN: 978-1-55752-910-7

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Nanostructured Materials and Devices (CTuAA)

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S. K. Das, M. Rohloff, A. Pfuch, W. Seeber, A. Rosenfeld, and R. Grunwald, "Formation of laser-induced periodic structures in TiO2 crystals depending on the surface quality," in CLEO:2011 - Laser Applications to Photonic Applications, OSA Technical Digest (CD) (Optica Publishing Group, 2011), paper CTuAA2.

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Abstract

The formation of femtosecond laser induced periodic surface structure in TiO₂ crystals significantly depends on surface quality. Higher roughness shifts ripple formation towards lower fluence and lower pulse number and improve structural coherence.

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