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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 43, Iss. 21 — Jul. 20, 2004
  • pp: 4142–4149

Optical coherence tomography system with no high-precision scanning stage and stage controller

Yu-Lung Lo, Chi-I Kuo, Chin-Ho Chuang, and Zhi-Zhong Yan  »View Author Affiliations


Applied Optics, Vol. 43, Issue 21, pp. 4142-4149 (2004)
http://dx.doi.org/10.1364/AO.43.004142


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Abstract

Optical coherence tomography (OCT) is a novel technique for noninvasive imaging based on the use of a low-coherence interferometer. Conventionally, obtaining high-resolution images requires the use of high-precision sample and scanning stages and a stage controller for simultaneous measurement of the refractive index and the thickness of an optical sample. However, in this study a novel optical-fiber-type OCT system is developed that does not need both a high-precision scanning stage and a stage controller. Additionally, two signal demodulation processes are described. Compared with that of conventional OCT systems, the current configuration eliminates the high-precision scanning stage and stage controller and is therefore cheaper and less complex. Also, this new technique could be applied to conventional OCTs in biotissue scanning.

© 2004 Optical Society of America

OCIS Codes
(110.4500) Imaging systems : Optical coherence tomography
(120.0120) Instrumentation, measurement, and metrology : Instrumentation, measurement, and metrology
(120.3180) Instrumentation, measurement, and metrology : Interferometry
(120.5710) Instrumentation, measurement, and metrology : Refraction
(180.3170) Microscopy : Interference microscopy

History
Original Manuscript: August 13, 2003
Revised Manuscript: January 6, 2004
Published: July 20, 2004

Citation
Yu-Lung Lo, Chi-I Kuo, Chin-Ho Chuang, and Zhi-Zhong Yan, "Optical coherence tomography system with no high-precision scanning stage and stage controller," Appl. Opt. 43, 4142-4149 (2004)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-43-21-4142


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