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Virtual Journal for Biomedical Optics

Virtual Journal for Biomedical Optics

| EXPLORING THE INTERFACE OF LIGHT AND BIOMEDICINE

  • Editor: Gregory W. Faris
  • Vol. 3, Iss. 6 — Jun. 17, 2008

Optical design of a dynamic focus catheter for high-resolution endoscopic optical coherence tomography

Panomsak Meemon, Kye-Sung Lee, Supraja Murali, and Jannick Rolland  »View Author Affiliations


Applied Optics, Vol. 47, Issue 13, pp. 2452-2457 (2008)
http://dx.doi.org/10.1364/AO.47.002452


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Abstract

The optical system design of a dynamic focus endoscopic probe for optical coherence tomography is reported. The dynamic focus capability is based on a liquid lens technology that provides variable focus by changing its curvatures in response to an electric field variation. The effects of a cylindrical exit window present, in practice, for a catheter were accounted for. Degradation in image quality caused by this window was corrected to get diffraction limited imaging performance. As a result, the dynamically focusing catheter with a lateral resolution ranging from 4 to 6 μm through an 5 mm imaging distance was designed without mechanically refocusing the system.

© 2008 Optical Society of America

OCIS Codes
(170.2150) Medical optics and biotechnology : Endoscopic imaging
(170.3890) Medical optics and biotechnology : Medical optics instrumentation
(170.4500) Medical optics and biotechnology : Optical coherence tomography
(220.4830) Optical design and fabrication : Systems design

ToC Category:
Medical Optics and Biotechnology

History
Original Manuscript: December 19, 2007
Revised Manuscript: March 13, 2008
Manuscript Accepted: March 31, 2008
Published: April 28, 2008

Virtual Issues
Vol. 3, Iss. 6 Virtual Journal for Biomedical Optics

Citation
Panomsak Meemon, Kye-Sung Lee, Supraja Murali, and Jannick Rolland, "Optical design of a dynamic focus catheter for high-resolution endoscopic optical coherence tomography," Appl. Opt. 47, 2452-2457 (2008)
http://www.opticsinfobase.org/vjbo/abstract.cfm?URI=ao-47-13-2452

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