70 μm diameter optical probe for common-path optical coherence tomography in air and liquids.
作者： Marica Marrese , Hidde Offerhaus , Erik Paardekam , Davide Iannuzzi
DOI: 10.1364/OL.43.005929
关键词:
摘要: We investigate and validate a novel method to fabricate ultrathin optical probes for common-path coherence tomography (CP-OCT). The are obtained using 65 μm barium titanate microsphere inserted into an inward concave cone chemically etched at the end of single-mode fiber. demonstrate that high refractive index (n=1.95) microspheres allows one maintain sensitivity even while imaging in liquids, reaching 83 dB. Due its low cost, flexibility, ease use, probe holds promise development new generation needle-based OCT systems.
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