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

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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.
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Dates and versions

ujm-00829155 , version 1 (02-06-2013)

Identifiers

  • HAL Id : ujm-00829155 , version 1

Cite

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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