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Optics Letters

Optics Letters


  • Vol. 26, Iss. 24 — Dec. 15, 2001
  • pp: 1966–1968

Endoscopic optical coherence tomography based on a microelectromechanical mirror

Yingtian Pan, Huikai Xie, and Gary K. Fedder  »View Author Affiliations

Optics Letters, Vol. 26, Issue 24, pp. 1966-1968 (2001)

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An endoscopic optical coherence tomography (OCT) system based on a microelectromechanical mirror to facilitate lateral light scanning is described. The front-view OCT scope, adapted to the instrument channel of a commercial endoscopic sheath, allows real-time cross-sectional imaging of living biological tissue via direct endoscopic visual guidance. The transverse and axial resolutions of the OCT scope are roughly 20 and 10.2μm, respectively. Cross-sectional images of 500×1000 pixels covering an area of 2.9 mm×2.8 mm can be acquired at ~5 frames/s and with nearly 100-dB dynamic range. Applications in thickness measurement and bladder tissue imaging are demonstrated.

© 2001 Optical Society of America

OCIS Codes
(170.2150) Medical optics and biotechnology : Endoscopic imaging
(170.3880) Medical optics and biotechnology : Medical and biological imaging
(170.3890) Medical optics and biotechnology : Medical optics instrumentation
(170.4500) Medical optics and biotechnology : Optical coherence tomography
(170.7230) Medical optics and biotechnology : Urology

Yingtian Pan, Huikai Xie, and Gary K. Fedder, "Endoscopic optical coherence tomography based on a microelectromechanical mirror," Opt. Lett. 26, 1966-1968 (2001)

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