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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 17, Iss. 26 — Dec. 21, 2009
  • pp: 24045–24059

Theoretical analysis of spectrally encoded endoscopy

Michal Merman, Avraham Abramov, and Dvir Yelin  »View Author Affiliations


Optics Express, Vol. 17, Issue 26, pp. 24045-24059 (2009)
http://dx.doi.org/10.1364/OE.17.024045


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Abstract

Using a single optical fiber and miniature distal optics, spectrally-encoded endoscopy (SEE) has been demonstrated as a promising, three-dimensional endoscopic imaging method with a large number of resolvable points and high frame rates. We present a detailed theoretical study of the SEE prototype system and probe. Several key imaging parameters of SEE are thoroughly derived and formulated, including the three-dimensional point-spread function and field of view, as well as the system’s optical aberrations and fundamental limits. We find that the point-spread function of the SEE system maintains a unique relation between its transverse and axial shapes, discuss the asymmetry of the volumetric field of view, determine that the number of lateral resolvable points is nearly twice than what was previously accepted, and derive an expression for the upper limit for the total number of resolvable points in the cross-sectional image plane.

© 2009 OSA

OCIS Codes
(110.2350) Imaging systems : Fiber optics imaging
(110.2990) Imaging systems : Image formation theory
(110.4850) Imaging systems : Optical transfer functions
(170.2150) Medical optics and biotechnology : Endoscopic imaging

ToC Category:
Medical Optics and Biotechnology

History
Original Manuscript: August 17, 2009
Revised Manuscript: October 28, 2009
Manuscript Accepted: October 29, 2009
Published: December 17, 2009

Virtual Issues
Vol. 5, Iss. 1 Virtual Journal for Biomedical Optics

Citation
Michal Merman, Avraham Abramov, and Dvir Yelin, "Theoretical analysis of spectrally encoded endoscopy," Opt. Express 17, 24045-24059 (2009)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-17-26-24045


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