Investigation and Control of Ultrafast Laser-Induced Nanoscale Patterns in Bulk Fused Silica

Razvan Stoian 1 Konstantin Mishchik 1 Guanghua Cheng 1, 2 Cyril Mauclair 1 Jean-Philippe Colombier 1 Marian Zamfirescu 3
1 LHC - Laboratoire Hubert Curien [Saint Etienne]
2 State Key Laboratory of Transient Optics and Photonics,
3 NILPRP - National Institute for Plasma and Radiation Physics
Abstract : Refractive index changes in a-SiO2 consist of positive index variations or regular nanoscale patterns. We spectroscopically reveal the electronic and structural transformation of glass in the self-organized structures, indicating bond breaking and oxygen deficiency. We equally propose a method of real time control of nanogratings formation under the action of ultrashort laser pulse with variable envelopes. Application as polarizing optical devices is discussed.
Keywords : refractive index engineering fused silica
Document type :
Conference papers
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https://hal-ujm.archives-ouvertes.fr/ujm-00829155
Contributor : Razvan Stoian <>
Submitted on : Sunday, June 2, 2013 - 11:41:06 AM
Last modification on : Wednesday, July 25, 2018 - 2:05:30 PM

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  • HAL Id : ujm-00829155, version 1

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UNIV-ST-ETIENNE | LAHC | IOGS | PARISTECH

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Razvan Stoian, Konstantin Mishchik, Guanghua Cheng, Cyril Mauclair, Jean-Philippe Colombier, et al.. Investigation and Control of Ultrafast Laser-Induced Nanoscale Patterns in Bulk Fused Silica. Progress in Ultrafast Laser Modifications of Materials, Apr 2013, Cargese, France. ⟨ujm-00829155⟩

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