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Proceedings Paper

Optical fibre Fizeau-based OCT
Author(s): Pierre Casaubieilh; Helen D. Ford; Ralph P. Tatam
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Paper Abstract

An optical fiber, Fizeau configuration Optical Coherence Tomography (OCT) system is presented in this paper. The Interferometer is formed between the distal end of the sample-arm fiber and the sample itself. This ensures 'downlead insensitivity;' polarization variation is not a problem, as it is in the standard Michelson configuration. Path-length matching is performed by a secondary, bulk-optic scanning Mach-Zehnder interferometer. In this paper, we demonstrate the use of an optical circulator and balanced detection to permit optimum use of the light and maximize the signal-to-noise ratio.

Paper Details

Date Published: 9 June 2004
PDF: 4 pages
Proc. SPIE 5502, Second European Workshop on Optical Fibre Sensors, (9 June 2004); doi: 10.1117/12.566717
Show Author Affiliations
Pierre Casaubieilh, Cranfield Univ. (United Kingdom)
Helen D. Ford, Cranfield Univ. (United Kingdom)
Ralph P. Tatam, Cranfield Univ. (United Kingdom)

Published in SPIE Proceedings Vol. 5502:
Second European Workshop on Optical Fibre Sensors
Jose Miguel Lopez-Higuera; Brian Culshaw, Editor(s)

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