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Optical Engineering

Probing liquid mirror surface quality using the charge coupled device triangulation technique
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Paper Abstract

In the framework of the 4-m International Liquid Mirror Telescope project, we have developed an innovative technique to assess the optical quality of liquid mirrors, whose optical quality may be affected by the propagation of wavelets over the mercury layer. We present a method based upon the reflection of a laser beam over the surface and present the mathematical modeling as well as preliminary results obtained from laboratory measurements.

Paper Details

Date Published: 14 March 2014
PDF: 10 pages
Opt. Eng. 53(3) 034103 doi: 10.1117/1.OE.53.3.034103
Published in: Optical Engineering Volume 53, Issue 3
Show Author Affiliations
Francois Finet, Aryabhatta Research Institute of Observational Sciences (Belgium)
Jean Surdej, Univ. de Liège (Belgium)


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