Document Detail


Stress in femtosecond-laser-written waveguides in fused silica.
MedLine Citation:
PMID:  15233419     Owner:  NLM     Status:  PubMed-not-MEDLINE    
Abstract/OtherAbstract:
We identify two states of stress induced in waveguides fabricated by femtosecond lasers in fused silica and show how they can be relieved by annealing. In-plane stress and stress concentration are revealed through birefringence and loss measurements. Another kind of laser-induced stress appears in the form of swelling of the glass surface when waveguides are written near the surface and is a manifestation of confined rapid material quenching. By annealing the sample we reduce the losses by approximately 30% (at 633 nm) and decrease the birefringence by a factor of 4 in fused silica.
Authors:
V R Bhardwaj; P B Corkum; D M Rayner; C Hnatovsky; E Simova; R S Taylor
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Optics letters     Volume:  29     ISSN:  0146-9592     ISO Abbreviation:  Opt Lett     Publication Date:  2004 Jun 
Date Detail:
Created Date:  2004-07-05     Completed Date:  2004-08-11     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  7708433     Medline TA:  Opt Lett     Country:  United States    
Other Details:
Languages:  eng     Pagination:  1312-4     Citation Subset:  -    
Affiliation:
Steacie Institute for Molecular Sciences, National Research Council, 100 Sussex Drive, Ottawa, Ontario K1A 0R6, Canada. ravi.bhardwaj@nrc.ca
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