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Optics Letters

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  • Vol. 24, Iss. 8 — Apr. 15, 1999
  • pp: 531–533

Power-efficient nonreciprocal interferometer and linear-scanning fiber-optic catheter for optical coherence tomography

B. E. Bouma and G. J. Tearney  »View Author Affiliations


Optics Letters, Vol. 24, Issue 8, pp. 531-533 (1999)
http://dx.doi.org/10.1364/OL.24.000531


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Abstract

A nonreciprocal fiber-optic interferometer is demonstrated in an optical coherence tomography (OCT) system. The increased power efficiency of this system provides a 4.1-dB advantage over standard Michelson implementations. In addition, a new linear-scanning fiber-optic catheter is demonstrated that avoids the rotary optical junction that is required in circumferential scanning systems. These advancements have permitted the clinical implementation of OCT imaging in the human gastrointestinal tract.

© 1999 Optical Society of America

OCIS Codes
(060.1810) Fiber optics and optical communications : Buffers, couplers, routers, switches, and multiplexers
(110.4500) Imaging systems : Optical coherence tomography
(170.4500) Medical optics and biotechnology : Optical coherence tomography

Citation
B. E. Bouma and G. J. Tearney, "Power-efficient nonreciprocal interferometer and linear-scanning fiber-optic catheter for optical coherence tomography," Opt. Lett. 24, 531-533 (1999)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-24-8-531


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