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Optics Letters

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  • Vol. 37, Iss. 13 — Jul. 1, 2012
  • pp: 2673–2675

Forward imaging OCT endoscopic catheter based on MEMS lens scanning

Hyeon-Cheol Park, Cheol Song, Minseok Kang, Yong Jeong, and Ki-Hun Jeong  »View Author Affiliations


Optics Letters, Vol. 37, Issue 13, pp. 2673-2675 (2012)
http://dx.doi.org/10.1364/OL.37.002673


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Abstract

This Letter reports a fully packaged microelectromechanical system (MEMS) endoscopic catheter for forward imaging optical coherence tomography (OCT). Two-dimensional optical scanning of Lissajous patterns was realized by the orthogonal movement of two commercial aspherical glass lenses laterally mounted on two resonating electrostatic MEMS microstages at low operating voltages. The MEMS lens scanner was integrated on a printed circuit board and packaged with an aluminum housing, a gradient index fiber collimator, and an objective lens. A home-built spectral-domain OCT system with 60 kHz A-line acquisition rate was combined with the endoscopic MEMS catheter. Three-dimensional images of 256×256×995 voxels were directly reconstructed by mapping the A-line datasets along the Lissajous patterns. The endoscopic catheter can provide a new direction for forward endoscopic OCT imaging.

© 2012 Optical Society of America

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

ToC Category:
Medical Optics and Biotechnology

History
Original Manuscript: February 7, 2012
Revised Manuscript: April 29, 2012
Manuscript Accepted: May 2, 2012
Published: June 26, 2012

Virtual Issues
Vol. 7, Iss. 9 Virtual Journal for Biomedical Optics
July 6, 2012 Spotlight on Optics

Citation
Hyeon-Cheol Park, Cheol Song, Minseok Kang, Yong Jeong, and Ki-Hun Jeong, "Forward imaging OCT endoscopic catheter based on MEMS lens scanning," Opt. Lett. 37, 2673-2675 (2012)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-37-13-2673


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