alexa Common-path low-coherence interferometry fiber-optic sensor guided microincision.


Journal of Biosensors & Bioelectronics

Author(s): Zhang K, Kang JU

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Abstract We propose and demonstrate a common-path low-coherence interferometry (CP-LCI) fiber-optic sensor guided precise microincision. The method tracks the target surface and compensates the tool-to-surface relative motion with better than ± 5 μm resolution using a precision micromotor connected to the tool tip. A single-fiber distance probe integrated microdissector was used to perform an accurate 100 μm incision into the surface of an Intralipid phantom. The CP-LCI guided incision quality in terms of depth was evaluated afterwards using three-dimensional Fourier-domain optical coherence tomography imaging, which showed significant improvement of incision accuracy compared to free-hand-only operations.
This article was published in J Biomed Opt and referenced in Journal of Biosensors & Bioelectronics

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