Optical coherence tomography with an auto-focus device for the refractive index and thickness measurements

Yu Lung Lo*, Chih Chung Yen, Chia Chi Liao, Shean-Jen Chen

*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

In this study, we develop a new optical fiber type of Optical coherence tomography (OCT) with a commercial auto-focus device to simultaneously measure the refractive index and thickness of a single-layer for demonstration. An auto-focus device can be easily implemented into the new OCT in order to diminish the measurement error resulting from the slight vibration of the sample and/or the sample stage. However, if the conventional OCT is implemented with an auto-focus device, it would be extremely difficult in locating and controlling the positions of the sample and scanning stages.

Original languageEnglish
Title of host publicationProceedings of the 2006 SEM Annual Conference and Exposition on Experimental and Applied Mechanics 2006
Pages859-866
Number of pages8
StatePublished - 31 Oct 2006
EventSEM Annual Conference and Exposition on Experimental and Applied Mechanics 2006 - Saint Louis, MO, United States
Duration: 4 Jun 20067 Jun 2006

Publication series

NameProceedings of the 2006 SEM Annual Conference and Exposition on Experimental and Applied Mechanics 2006
Volume2

Conference

ConferenceSEM Annual Conference and Exposition on Experimental and Applied Mechanics 2006
CountryUnited States
CitySaint Louis, MO
Period4/06/067/06/06

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