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Conference Paper
Frontiers in Optics
San Jose, California United States
October 16-20, 2011
ISBN: 978-1-55752-917-6
Nonimaging Techniques for Sensing III (FThV)

A Laser-Speckle Correlation Technique for Thickness Determination of Optically Thin Transparent Layers

Johannes Lettner  »View Author Affiliations


http://dx.doi.org/10.1364/FIO.2011.FThV2


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Abstract

We present a method determining thicknesses of thin polar liquids on rough surfaces. Results of the reproducibility of measurements of coatings down to the µm range, which is less than the surface roughness are shown.

© 2011 OSA

OCIS Codes
(120.6150) Instrumentation, measurement, and metrology : Speckle imaging
(240.5770) Optics at surfaces : Roughness
(310.6860) Thin films : Thin films, optical properties

Citation
J. Lettner, "A Laser-Speckle Correlation Technique for Thickness Determination of Optically Thin Transparent Layers," in Frontiers in Optics 2011/Laser Science XXVII, OSA Technical Digest (Optical Society of America, 2011), paper FThV2.
http://www.opticsinfobase.org/abstract.cfm?URI=FiO-2011-FThV2


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