Fiber type of Optical coherence tomography with auto-focus design

Yu Lung Lo; Zhi Zhong Yan; Shean Jen Chen

doi:10.1117/12.623873

Fiber type of Optical coherence tomography with auto-focus design

Yu Lung Lo, Zhi Zhong Yan, Shean Jen Chen

Department of Mechanical Engineering

Research output: Contribution to journal › Conference article › peer-review

Abstract

Optical coherence tomography (OCT) is a novel technique for noninvasive imaging based on low coherence interferometer. In order to get image with high resolution, the highly precise scanning and sample stages are essential. In this study, we develop a new optical fiber type of OCT with a commercial auto-focus device to simultaneously measure refractive index and thickness of a single-layer for demonstration. In order to diminish the measurement error resulting from the slight vibration of the sample or sample stage, we design an auto-focus device into the new OCT system. As compared to the conventional one, the new OCT setup is simpler and processes the data speedily. It is found that the conventional OCT with an auto-focus device would be extremely difficult in controlling stages.

Original language	English
Article number	61
Pages (from-to)	258-261
Number of pages	4
Journal	Proceedings of SPIE - The International Society for Optical Engineering
Volume	5855 PART I
DOIs	https://doi.org/10.1117/12.623873
Publication status	Published - 2005
Event	17th International Conference on Optical Fibre Sensors, OFS-17 - Bruges, Belgium Duration: 2005 May 23 → 2005 May 27

All Science Journal Classification (ASJC) codes

Electronic, Optical and Magnetic Materials
Condensed Matter Physics
Computer Science Applications
Applied Mathematics
Electrical and Electronic Engineering

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10.1117/12.623873

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title = "Fiber type of Optical coherence tomography with auto-focus design",

abstract = "Optical coherence tomography (OCT) is a novel technique for noninvasive imaging based on low coherence interferometer. In order to get image with high resolution, the highly precise scanning and sample stages are essential. In this study, we develop a new optical fiber type of OCT with a commercial auto-focus device to simultaneously measure refractive index and thickness of a single-layer for demonstration. In order to diminish the measurement error resulting from the slight vibration of the sample or sample stage, we design an auto-focus device into the new OCT system. As compared to the conventional one, the new OCT setup is simpler and processes the data speedily. It is found that the conventional OCT with an auto-focus device would be extremely difficult in controlling stages.",

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AU - Lo, Yu Lung

AU - Yan, Zhi Zhong

AU - Chen, Shean Jen

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AB - Optical coherence tomography (OCT) is a novel technique for noninvasive imaging based on low coherence interferometer. In order to get image with high resolution, the highly precise scanning and sample stages are essential. In this study, we develop a new optical fiber type of OCT with a commercial auto-focus device to simultaneously measure refractive index and thickness of a single-layer for demonstration. In order to diminish the measurement error resulting from the slight vibration of the sample or sample stage, we design an auto-focus device into the new OCT system. As compared to the conventional one, the new OCT setup is simpler and processes the data speedily. It is found that the conventional OCT with an auto-focus device would be extremely difficult in controlling stages.

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ER -

Fiber type of Optical coherence tomography with auto-focus design

Abstract

All Science Journal Classification (ASJC) codes

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