Characterization of light distribution and optimization of detector position for multiple reference optical coherence tomography

Kai Neuhaus; Hrebesh Subhash; Roshan Dsouza; Josh Hogan; Carol Wilson; Martin Leahy

doi:10.1117/12.2079744

12 March 2015 Characterization of light distribution and optimization of detector position for multiple reference optical coherence tomography

Kai Neuhaus, Hrebesh Subhash, Roshan Dsouza, Josh Hogan, Carol Wilson, Martin Leahy

Author Affiliations +

Proceedings Volume 9314, Optics and Biophotonics in Low-Resource Settings; 93140F (2015) https://doi.org/10.1117/12.2079744
Event: SPIE BiOS, 2015, San Francisco, California, United States

Abstract

A time-domain optical coherence tomography system with respect to multiple reflections in the reference arm is simulated with Zemax and the optimal detector position is discussed based on the wavefront error. Multiple reference optical coherence tomography (MR-OCT) is a novel optical imaging platform using a single miniature actuator and partial mirror to recirculate light multiple times within the interferometric system. The recirculation corresponds to multiple path delays extending effectively the axial scan-range. The simulation of MR-OCT with lenses of 5 mm diameter shows that it is suitable to build a compact system using low-cost components. Subsequently MR-OCT enables an affordable miniature OCT for low recourse settings and personal or point-of-care applications.

Citation Download Citation

Kai Neuhaus, Hrebesh Subhash, Roshan Dsouza, Josh Hogan, Carol Wilson, and Martin Leahy "Characterization of light distribution and optimization of detector position for multiple reference optical coherence tomography", Proc. SPIE 9314, Optics and Biophotonics in Low-Resource Settings, 93140F (12 March 2015); https://doi.org/10.1117/12.2079744

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