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Femtosecond Laser Structuring of As2S3 Glass for Erasable and Permanent Optical Memory

Published online by Cambridge University Press:  01 February 2011

Saulius Juodkazis ,
Andrei V. Rode ,
Toshiaki Kondo ,
Hiroaki Misawa ,
Marek Samoc  and
Barry Luther-Davies
Saulius Juodkazis
Affiliation:
Saulius@es.hokudai.ac.jp, Hokkaido University, Sapporo 001-0021, Japan
Andrei V. Rode
Affiliation:
avr111@rsphysse.anu.edu.au, The Australian National University, Canberra, 0200, Australia
Toshiaki Kondo
Affiliation:
Kondo@es.hokudai.ac.jp, Hokkaido University, Sapporo, 001-0021, Japan
Hiroaki Misawa
Affiliation:
Misawa@es.hokudai.ac.jp, Hokkaido University, Sapporo, 001-0021, Japan
Marek Samoc
Affiliation:
mjs111@rsphysse.anu.edu.au, The Australian National University, Canberra, 0200, Australia
Barry Luther-Davies
Affiliation:
bld111@rsphysse.anu.edu.au, The Australian National University, Canberra, 0200, Australia
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Abstract

The nonlinear absorption coefficient of As2S3 glass has been measured to be 2.0 cm/GW for femtosecond pulses at 800 nm. Femtosecond laser structuring via two photon absorption in bulk As2S3 glass by erasable and permanent photo-darkening is demonstrated using both holographic and direct multi-beam laser writing.

Keywords

optical propertiesmemorylaser-induced reaction
Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 997: Symposium I – Materials and Processes for Nonvolatile Memories II , 2007 , 0997-I05-05
Copyright
Copyright © Materials Research Society 2007

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