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Conference Paper
Bragg Gratings, Photosensitivity, and Poling in Glass Waveguides
Karlsruhe Germany
June 21-24, 2010
ISBN: 978-1-55752-896-4
Femtosecond Laser Symposium III (BWC)

In the Heart of Nanogratings Made up During Femtosecond Laser Irradiation

Matthieu Lancry, Francois Brisset, and Bertrand Poumellec


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We observed the intimate structure of nanogratings made up by femtosecond laser-irradiation. We reveal that nanoplans are meso-porous glass-layers that are at the root of the strong-refractive index-contrast. Nanopores formation is likely due to glass-decomposition.

© 2010 The Optical Society

OCIS Codes
(160.0160) Materials : Materials
(160.6030) Materials : Silica
(350.0350) Other areas of optics : Other areas of optics
(350.3450) Other areas of optics : Laser-induced chemistry

M. Lancry, F. Brisset, and B. Poumellec, "In the Heart of Nanogratings Made up During Femtosecond Laser Irradiation," in Advanced Photonics & Renewable Energy, OSA Technical Digest (CD) (Optical Society of America, 2010), paper BWC3.

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