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Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Alan E. Willner
  • Vol. 37, Iss. 12 — Jun. 15, 2012
  • pp: 2424–2426

Direct electronic linearization for camera-based spectral domain optical coherence tomography

Andrew Payne and Adrian Gh. Podoleanu  »View Author Affiliations


Optics Letters, Vol. 37, Issue 12, pp. 2424-2426 (2012)
http://dx.doi.org/10.1364/OL.37.002424


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Abstract

An electronic method of k-space linearization for an analog camera for use in optical coherence tomography is demonstrated. The method applies a chirp to the data transfer clock signal of the camera in order to temporally compensate for diffraction that is nonlinear in wavenumber. The optimum parameters are obtained experimentally and theoretically and are shown to be in good accordance. Close to maximum measurable axial range, by applying this method, the FWHM of the point spread function is reduced by a factor of 5.6 and sensitivity is increased by 9.8 dB.

© 2012 Optical Society of America

OCIS Codes
(170.4500) Medical optics and biotechnology : Optical coherence tomography
(250.0250) Optoelectronics : Optoelectronics

ToC Category:
Medical Optics and Biotechnology

History
Original Manuscript: February 29, 2012
Manuscript Accepted: April 2, 2012
Published: June 15, 2012

Virtual Issues
Vol. 7, Iss. 8 Virtual Journal for Biomedical Optics

Citation
Andrew Payne and Adrian Gh. Podoleanu, "Direct electronic linearization for camera-based spectral domain optical coherence tomography," Opt. Lett. 37, 2424-2426 (2012)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-37-12-2424


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