Optical fibre Fizeau-based OCT
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Casaubieilh, P.
Ford, Helen D.
Tatam, Ralph P.
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0277-786X
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P. Casaubieilh, H. D. Ford and R. P. Tatam. Optical fibre Fizeau-based OCT. Proceedings of SPIE: Second European Workshop on Optical Fibre Sensors: 9-11 June 2004, Santander, Spain
Abstract
An optical fibre, Fizeau configuration Optical Coherence Tomography (OCT) system is presented in this paper. The interferometer is formed between the distal end of the sample-arm fibre and the sample itself. This ensures 'downlead insensitivity' ; polarisation 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 maximise the signal-tonoise ratio.
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Github
Keywords
optical coherence tomography, Fizeau interferometer, Low coherence interferometr
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Copyright © 2004 SPIE. This paper is made available with permission of SPIE. One print or electronic copy may be made for personal use only. Systematic electronic or print reproduction and distribution, duplication of any material in this paper for a fee or for commercial purposes, or modification of the content of the paper are prohibited.