1. Articles from Yuqing Wu

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    1. A miniature endoscopic optical coherence tomography probe based on C-lens

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      A miniature endoscopic optical coherence tomography probe based on C-lens

      We present a novel miniature endoscopic OCT probe based on an electrothermal microelectromechanical (MEMS) mirror and a C-lens. The MEMS mirror has a relatively large mirror plate of 0.5 mm×0.5 mm on a small chip size of 1.5 mm×1.3 mm, leading to the outer diameter of the endoscopic probe down to only 2.5 mm so that the probe is capable of being inserted through the biopsy channel of a conventional endoscope. A long focal length of 12 mm is achieved by properly designing the C-lens. Compared to commonly used GRIN lenses, C-lenses have ...

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      Mentions: University of Florida Tsinghua University WiO Technology Limited

    2. Circumferential-scanning endoscopic optical coherence tomography probe based on a circular array of six 2-axis MEMS mirrors

      Explore OSA | OSA Publishing Probes
      Circumferential-scanning endoscopic optical coherence tomography probe based on a circular array of six 2-axis MEMS mirrors

      We present a novel circumferential-scan endoscopic optical coherence tomography (OCT) probe by using a circular array of six electrothermal microelectromechanical (MEMS) mirrors and six C-lenses. The MEMS mirrors have a 0.5 mm × 0.5 mm mirror plate and a chip size of 1.5 mm × 1.3 mm. Each MEMS mirror can scan up to 45° at a voltage of less than 12 V. Six of those mirrors have been successfully packaged to a probe head; full circumferential scans have been demonstrated. Furthermore, each scan unit is composed of a MEMS mirror and a C-lens and the six scan ...

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      Mentions: Huikai K. Xie
    1-2 of 2
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  4. Topics in the News

    1. (2 articles) Harvard University
    2. (2 articles) Massachusetts General Hospital
    3. (2 articles) Carl Zeiss Meditec
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    6. (1 articles) Huikai K. Xie
    7. (1 articles) WiO Technology Limited
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