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Proceedings Paper

Evaluation of a polarization sensitive multiple reference optical coherence tomography system
Author(s): Sean O'Gorman; Paul M. McNamara; Roshan Dsouza; Kai Neuhaus; Josh Hogan; Carol Wilson; Martin J. Leahy
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Paper Abstract

Multiple reference optical coherence tomography (MR-OCT) is a new compact optical sensor platform based on a small form factor recirculating reference arm scanning optical delay, which promises a robust, cost-effective semisolid state design for integration with next generation mobile devices. The miniature re-circulating optical delay is based on a voice coil motor (VCM) actuator and a partial mirror. Imaging capability of MR-OCT has been recently demonstrated using a non-polarizing bulk optics design and an unbalanced detection system with a sensitivity of up to 98 dB at an axial rate of 1200 A-scans per second. In this study, we implemented a polarization based MR-OCT with balanced detection system and have gathered preliminary results in comparison with a non-polarizing MROCT with balanced detection. The polarization sensitive (PS)-MR-OCT, based on a balanced detection scheme can improve the sensitivity by reducing common-mode noise of the system.

Paper Details

Date Published: 11 March 2016
PDF: 5 pages
Proc. SPIE 9699, Optics and Biophotonics in Low-Resource Settings II, 96990E (11 March 2016); doi: 10.1117/12.2211094
Show Author Affiliations
Sean O'Gorman, National Univ. of Ireland, Galway (Ireland)
Paul M. McNamara, National Univ. of Ireland, Galway (Ireland)
Roshan Dsouza, National Univ. of Ireland, Galway (Ireland)
Kai Neuhaus, National Univ. of Ireland, Galway (Ireland)
Josh Hogan, Compact Imaging, Inc. (United States)
Carol Wilson, Compact Imaging, Inc. (United States)
Martin J. Leahy, National Univ. of Ireland, Galway (Ireland)
Royal College of Surgeons (Ireland)

Published in SPIE Proceedings Vol. 9699:
Optics and Biophotonics in Low-Resource Settings II
David Levitz; Aydogan Ozcan; David Erickson, Editor(s)

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