Measurement of axial position of spherical objects using multiple delay element C-scan OCT

Lucian Plesea; Marta Gomez; Adrian Gh. Podoleanu

doi:10.1117/12.728047

11 July 2007 Measurement of axial position of spherical objects using multiple delay element C-scan OCT

Lucian Plesea, Marta Gomez, Adrian Gh. Podoleanu

Proceedings Volume 6627, Optical Coherence Tomography and Coherence Techniques III; 66270Z (2007) https://doi.org/10.1117/12.728047
Event: European Conferences on Biomedical Optics, 2007, Munich, Germany

Abstract

In a previous report¹ we presented a novel method using en-face OCT for the evaluation of the curvature of an object, with immediate application to measurement of corneal curvature. This method relies on single shot C-scans obtained from an en-face OCT system with a multiple delay element introduced in the reference arm. In the present report we show how the same methodology can be used for the measurement of the axial position of a spherical object. The theoretical basis and the accuracy of assessing the axial position using this method are presented. The potential application of this method in the measurement and tracking of the in-vivo axial position of the eye is also discussed.

Citation Download Citation

Lucian Plesea, Marta Gomez, and Adrian Gh. Podoleanu "Measurement of axial position of spherical objects using multiple delay element C-scan OCT", Proc. SPIE 6627, Optical Coherence Tomography and Coherence Techniques III, 66270Z (11 July 2007); https://doi.org/10.1117/12.728047

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KEYWORDS

Optical coherence tomography

Optical spheres

Spherical lenses

Cornea

Eye

Glasses

Reflectivity

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