Nanogratings formation in multicomponent silicate glasses

We demonstrate the formation of porous nanogratings in various oxide glasses including TiO 2 -doped silica, GeO 2 and alumino-borosilicate by near-IR femtosecond laser radiation. ULE and GeO 2 glasses exhibit similar birefringence to pure silica, whereas Borofloat 33 reveals twice weaker amplitude....

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Published inApplied physics. B, Lasers and optics Vol. 122; no. 3; pp. 1 - 8
Main Authors Lancry, M., Zimmerman, F., Desmarchelier, R., Tian, J., Brisset, F., Nolte, S., Poumellec, B.
Format Journal Article
LanguageEnglish
Published Berlin/Heidelberg Springer Berlin Heidelberg 01.03.2016
Subjects
Birefringence
Engineering
Formations
Germanium oxides
Glass
Lasers
Nanostructure
Optical Devices
Optics
Photonics
Physical Chemistry
Physics
Physics and Astronomy
Quantum Optics
Silicon dioxide
Titanium dioxide
GeO2
High Repetition Rate
Heat Accumulation
Laser Track
Repetition Rate
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Summary:We demonstrate the formation of porous nanogratings in various oxide glasses including TiO 2 -doped silica, GeO 2 and alumino-borosilicate by near-IR femtosecond laser radiation. ULE and GeO 2 glasses exhibit similar birefringence to pure silica, whereas Borofloat 33 reveals twice weaker amplitude. Using quantitative birefringence measurements, small-angle X-ray scattering and scanning electron microscopy, we correlate birefringence and porous nanolayers formation according to laser repetition rate and glass composition. We show that heat accumulation is a crucial parameter limiting the glass decomposition and thus nanogratings formation.
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ISSN:0946-2171
1432-0649
DOI:10.1007/s00340-016-6337-8