1. Articles from Hai Xiao

    1-3 of 3
    1. Assembled Singlemode and Graded Index Fibers Simulating Collimator for All Fiber Common-Path Optical Coherence Tomography

      Assembled Singlemode and Graded Index Fibers Simulating Collimator for All Fiber Common-Path Optical Coherence Tomography
      A single mode fiber assembled with a specified length graded index multimode fiber as a collimator, which is used in common-path optical coherence tomography (CPOCT) is described in this paper. Compared with conventional collimator lens, this assembled fibers structure possesses the advantages of small volume, easy to be fused or connected with other part of the CPOCT system. Furthermore, with this assembled structure an all fiber CPOCT system is constructed which has the potential to detect the internal bodily organs and tissues of human being. Numerical simulation and experiments are implemented to verify the effectiveness of this method.
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    2. Infrared Optical Path Adjustment Method for Common-Path Optical Coherence Tomography

      Infrared Optical Path Adjustment Method for Common-Path Optical Coherence Tomography

      A new, common-path, in-axis concentric beam-splitting Michelson interferometer is demonstrated for optical coherence tomography (OCT), which can be used to perform high-resolution cross-sectional in vivo and in situ imaging of biological tissues. A piece of glass tube with its inner diameter smaller than the beam-width of the collimated light is used to split the light into a reference and sample beam. In order to obtain the optimal spectral interferogram of this OCT system, an infrared optical path adjustment method was introduced in this paper

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    3. Polymer microlens fiber probe for common path optical coherence tomography

      Polymer microlens fiber probe for common path optical coherence tomography

      We demonstrate a compact all-fiber probe for a common path optical coherence tomography (CPOCT) system. By forming a focusing lens directly on the tip of an optical fiber, a compact fiber probe could be constructed. The microlens is produced by forming a droplet with UV-curing adhesive on the cleaved tip of multimode fiber. It fulfills two functions acting as both the reference plane and the imaging lens. To simultaneously achieve a relative long working distance and a good lateral resolution, we employed a large core size multimode fiber. A working distance of 280μm, and a transverse resolution of 14μm were ...

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    1-3 of 3
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    1. (2 articles) FDA
    2. (2 articles) Perimeter Medical Imaging
    3. (2 articles) Carl Zeiss Meditec
    4. (1 articles) Harvard University
    5. (1 articles) VU University Amsterdam
    6. (1 articles) Università Vita-Salute San Raffaele
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