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3-D measurements using conoscopy and application to ophthalmology

Moser, Christophe and Barbastathis, George and Psaltis, Demetri (1998) 3-D measurements using conoscopy and application to ophthalmology. In: 9th European Signal Processing Conference. IEEE , Piscataway, NJ, pp. 1-4. ISBN 978-960-7620-06-4 . http://resolver.caltech.edu/CaltechAUTHORS:20150513-123700283

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Abstract

In this paper we present a novel method to measure 3-D quasi planar or quasi spherical reflective surfaces with submicron depth accuracy. Two implementations are presented: a scanning and a non-scanning system. The non-scanning device allows fast measurements and can be applied for eye-shape measurements. The paper is organized as follows: in the introductory section, we first demonstrate the principle of the conoscopic effect leading to the formation of the interferogram. The second and third sections explain respectively. the scanning and non-scanning methods based on the conoscopic effect. We present the experimental results from a simple measurement and show how they conform with theory.


Item Type:Book Section
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http://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=7089605&isnumber=7089498PublisherArticle
Additional Information:© 1998 IEEE.
Record Number:CaltechAUTHORS:20150513-123700283
Persistent URL:http://resolver.caltech.edu/CaltechAUTHORS:20150513-123700283
Official Citation:Moser, C.; Barbastathis, G.; Psaltis, D., "3-D measurements using conoscopy and application to ophthalmology," Signal Processing Conference (EUSIPCO 1998), 9th European , vol., no., pp.1,4, 8-11 Sept. 1998 URL: http://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=7089605&isnumber=7089498
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:57503
Collection:CaltechAUTHORS
Deposited By: Tony Diaz
Deposited On:13 May 2015 19:53
Last Modified:13 May 2015 19:53

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