Resolution-enhanced optical coherence tomography based on classical intensity interferometry
JOSA A, Vol. 26, Issue 4, pp. 1049-1054 (2009)
http://dx.doi.org/10.1364/JOSAA.26.001049
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Abstract
We propose a fourth-order interference scheme for optical coherence tomography operating with broadband incoherent (or quasi-incoherent) light. It is shown that using this proposal, an axial resolution improvement by a factor of 2 and a better sensitivity for weakly reflecting samples are obtained than with the standard second-order correlation scheme. From a practical perspective, we suggest the use of broadband Q-switched pulses and performing ultrafast intensity correlation with a nonlinear crystal. The global performance of our proposal is illustrated by means of numerical simulations.
© 2009 Optical Society of America
OCIS Codes
(030.1640) Coherence and statistical optics : Coherence
(120.3180) Instrumentation, measurement, and metrology : Interferometry
(170.4500) Medical optics and biotechnology : Optical coherence tomography
ToC Category:
Coherence and Statistical Optics
History
Original Manuscript: October 27, 2008
Revised Manuscript: February 7, 2009
Manuscript Accepted: February 8, 2009
Published: March 31, 2009
Virtual Issues
Vol. 4, Iss. 6 Virtual Journal for Biomedical Optics
Citation
Hanna Lajunen, Víctor Torres-Company, Jesús Lancis, and Ari T. Friberg, "Resolution-enhanced optical coherence tomography based on classical intensity interferometry," J. Opt. Soc. Am. A 26, 1049-1054 (2009)
http://www.opticsinfobase.org/josaa/abstract.cfm?URI=josaa-26-4-1049
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