Document Detail

Evaluation of large aberrations using a lateral-shear interferometer having variable shear.
MedLine Citation:
PMID:  20134844     Owner:  NLM     Status:  In-Data-Review    
A variable shear lateral shearing interferometer consisting of two holographically produced crossed diffraction gratings is used to test nonrotationally symmetric wavefronts having aberrations greater than 100 wavelengths and slope variations of more than 400 wavelengths/diameter. Comparisons are made with results of Twyman-Green interferometric tests for wavefront aberrations of up to thirty wavelengths. The results indicate that small wavefront aberrations can be measured as accurately with the lateral-shear interferometer as with the Twyman-Green interferometer and that aberrations that cannot be measured at all with a Twyman-Green interferometer can be measured to about 1% accuracy or better.
M P Rimmer; J C Wyant
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Applied optics     Volume:  14     ISSN:  0003-6935     ISO Abbreviation:  Appl Opt     Publication Date:  1975 Jan 
Date Detail:
Created Date:  2010-02-05     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0247660     Medline TA:  Appl Opt     Country:  United States    
Other Details:
Languages:  eng     Pagination:  142-50     Citation Subset:  -    
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