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  • Title: Homodyne en face optical coherence tomography.
    Author: Yaqoob Z, Fingler J, Heng X, Yang C.
    Journal: Opt Lett; 2006 Jun 15; 31(12):1815-7. PubMed ID: 16729080.
    Abstract:
    We demonstrate, for what we believe to be the first time, the use of a 3 x 3 fiber-optic coupler to realize a homodyne optical coherence tomography (OCT) system for en face imaging of highly scattering tissues and turbid media. The homodyne OCT setup exploits the inherent phase shifts between different output ports of a 3 x 3 fiber-optic coupler to extract amplitude information of a sample. Our homodyne en face OCT system features a measured resolution of 14 microm axially and 9.4 microm laterally with a 90 dB signal-to-noise ratio at 10 micros integration time. En face OCT imaging of a stage 52 Xenopus laevis was successfully demonstrated at a depth of 600 microm within the sample.
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