Document Detail

Vacuum-pipeless laser earth strainmeter.
MedLine Citation:
PMID:  20309308     Owner:  NLM     Status:  In-Data-Review    
A vacuum-pipeless laser strainmeter has been designed, tested, and is described. The strainmeter has a compensator for the change of the refractive index of air which is determined by Edlén's formula using measured values of atmospheric pressure and temperature. The effect of air-condition change was compensated by the compensator, and residual of the effect was less than +/-5 x 10(-9) for 75 h. The strainmeter has successfully recorded solid tidal strains.
T Ohishi; S Seino; Y Sakurai
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Applied optics     Volume:  20     ISSN:  0003-6935     ISO Abbreviation:  Appl Opt     Publication Date:  1981 Apr 
Date Detail:
Created Date:  2010-03-23     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0247660     Medline TA:  Appl Opt     Country:  United States    
Other Details:
Languages:  eng     Pagination:  1329-32     Citation Subset:  -    
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