Materials Processing with Femtosecond Vortex Pulses

Cyril Hnatovsky; Vladlen G. Shvedov; Vladlen G. Shvedov; Wieslaw Krolikowski; Andrei V. Rode

doi:10.1364/CLEO_SI.2011.CWO4

CLEO:2011 - Laser Applications to Photonic Applications
OSA Technical Digest (CD) (Optica Publishing Group, 2011),
paper CWO4
•https://doi.org/10.1364/CLEO_SI.2011.CWO4

Materials Processing with Femtosecond Vortex Pulses

Cyril Hnatovsky, Vladlen G. Shvedov, Wieslaw Krolikowski, and Andrei V. Rode

CLEO: Science and Innovations 2011

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

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Advanced Ultrafast Laser Processing (CWO)

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C. Hnatovsky, V. G. Shvedov, W. Krolikowski, and A. V. Rode, "Materials Processing with Femtosecond Vortex Pulses," in CLEO:2011 - Laser Applications to Photonic Applications, OSA Technical Digest (CD) (Optica Publishing Group, 2011), paper CWO4.

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Abstract

We present the first results on material processing with tightly focused single femtosecond laser vortex pulses. We use double-charge femtosecond vortices to produce micron-size ring-shaped structures with <100 nm uniform groove thickness.

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