Document Detail

Self-focusing of CO(2) laser pulses in low-pressure SF(6).
MedLine Citation:
PMID:  19701354     Owner:  NLM     Status:  In-Data-Review    
We point out the importance of intensity-dependent refractive-index effects when measuring transmission or absorption characteristics of gases with high-power TEA CO(2) laser pulses. An example is given showing how self-focusing in low-pressure SF(6) gas severely affected the transmission of a Gaussian beam. This effect increased rapidly with pressure but remained unchanged when the TEA CO(2) fluence varied from 0.3 to 1.0 J/cm(2).
P Bernard; P Galarneau; S L Chin
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Optics letters     Volume:  6     ISSN:  0146-9592     ISO Abbreviation:  Opt Lett     Publication Date:  1981 Mar 
Date Detail:
Created Date:  2009-08-24     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  7708433     Medline TA:  Opt Lett     Country:  United States    
Other Details:
Languages:  eng     Pagination:  139-41     Citation Subset:  -    
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