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Opt Lett. 2007 Oct 1;32(19):2888-90.

Femtosecond laser erasing and rewriting of self-organized planar nanocracks in fused silica glass.

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1
National Research Council of Canada, Canada. rod.taylor@nrc.ca

Abstract

Tightly focused, linearly polarized, femtosecond laser radiation can produce highly birefringent nanograting structures inside fused silica glass. Here we report that when the polarization direction of the femtosecond light is changed, old nanogratings are erased and simultaneously replaced with new ones whose orientation is solely determined by the polarization of the rewrite beam. We also show that these volume nanogratings can be rewritten 1000 times with little degradation in their quality.

PMID:
17909607
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