Optical fibre Fizeau-based OCT

Pierre Casaubieilh; Helen D. Ford; Ralph P. Tatam

doi:10.1117/12.566717

9 June 2004 Optical fibre Fizeau-based OCT

Pierre Casaubieilh, Helen D. Ford, Ralph P. Tatam

Proceedings Volume 5502, Second European Workshop on Optical Fibre Sensors; (2004) https://doi.org/10.1117/12.566717
Event: Second European Workshop on Optical Fibre Sensors, 2004, Santander, Spain

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.

Citation Download Citation

Pierre Casaubieilh, Helen D. Ford, and Ralph P. Tatam "Optical fibre Fizeau-based OCT", Proc. SPIE 5502, Second European Workshop on Optical Fibre Sensors, (9 June 2004); https://doi.org/10.1117/12.566717

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