CMU MEMS Laboratory Publication Abstract

 

in Optics Letters, Volume 26, Issue 24, pp. 1966-1968, December 2001.
Endoscopic Optical Coherence Tomography based on a Microelectromechanical Mirror
Y. Pan, H. Xie and G. Fedder
ABSTRACT:
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 10.2 μm, respectively. Cross-sectional images of 500 x 1000 pixels covering an area of 2.9 mm x 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. All rights reserved.
Full paper not available from outside CMU


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