8 March 2016 Optical coherence tomography probe design for reduced artifact generation and manufacturability
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Abstract
Many fiber based probes used in Optical Coherence Tomography (OCT) are comprised of a spacer, GRIN lens, fiber, and a microprism. This design form suffers from many material interfaces, which induce back reflections into the sample arm of the interferometer. With so many interfaces, these probes can produce artifacts in the system’s imaging window. We present a design which has just two interfaces to minimize image artifacts. The two components of this design are the fiber endface and a reflective optic. With optimization, these two components can produce back reflections below -90dB which will minimize image artifacts. This will results in high fidelity imaging for medical diagnostics.
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Daniel Staloff, Daniel Staloff, Lovell Comstock, Lovell Comstock, William Miller, William Miller, Horst Schreiber, Horst Schreiber, "Optical coherence tomography probe design for reduced artifact generation and manufacturability", Proc. SPIE 9697, Optical Coherence Tomography and Coherence Domain Optical Methods in Biomedicine XX, 969731 (8 March 2016); doi: 10.1117/12.2213107; https://doi.org/10.1117/12.2213107
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