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Conference papers

Optimizing laser-induced refractive index changes in “thermal” glasses

Razvan Stoian 1, *
* Corresponding author
1 LHC - Laboratoire Hubert Curien [Saint Etienne]
Abstract : Ultrafast laser radiation usually induces rarefaction and negative refractive index changes in glasses with high thermal expansion. Acting on the laser-induced heat source, tailored intensity envelopes can generate in turn thermo-mechanical compaction. This leads to positive refractive index changes and to potential creation of light guiding structures. Using additional spatial wavefront corrections, the compaction mechanisms can be preserved at arbitrary depths.
Keywords : adaptive pulse shaping material processing
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Conference papers
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https://hal-ujm.archives-ouvertes.fr/ujm-00376533
Contributor : Razvan Stoian <>
Submitted on : Friday, April 17, 2009 - 6:44:38 PM
Last modification on : Monday, December 14, 2020 - 4:30:31 PM

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  • HAL Id : ujm-00376533, version 1

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UNIV-ST-ETIENNE | CNRS | LAHC | IOGS | PARISTECH | UDL

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Razvan Stoian. Optimizing laser-induced refractive index changes in “thermal” glasses. Springer Series in Chemical Physics, Ultrafast Phenomena 2008, Jun 2008, Stresa, Italy. ⟨ujm-00376533⟩

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