Miniature Endoscope for Simultaneous Optical Coherence Tomography and Laser-Induced Fluorescence Measurement
Applied Optics, Vol. 43, Issue 1, pp. 113-121 (2004)
http://dx.doi.org/10.1364/AO.43.000113
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Abstract
We have designed a multimodality system that combines optical coherence tomography (OCT) and laser-induced fluorescence (LIF) in a 2.0-mm-diameter endoscopic package. OCT provides ~18-μm resolution cross-sectional structural information over a 6-mm field. LIF spectra are collected sequentially at submillimeter resolution across the same field and provide histochemical information about the tissue. We present the use of a rod prism to reduce the asymmetry in the OCT beam caused by a cylindrical window. The endoscope has been applied to investigate mouse colon cancer in vivo.
© 2004 Optical Society of America
OCIS Codes
(120.3890) Instrumentation, measurement, and metrology : Medical optics instrumentation
(120.5800) Instrumentation, measurement, and metrology : Scanners
(170.2150) Medical optics and biotechnology : Endoscopic imaging
(170.2680) Medical optics and biotechnology : Gastrointestinal
(170.4500) Medical optics and biotechnology : Optical coherence tomography
(170.6280) Medical optics and biotechnology : Spectroscopy, fluorescence and luminescence
Citation
Alexandre R. Tumlinson, Lida P. Hariri, Urs Utzinger, and Jennifer K. Barton, "Miniature Endoscope for Simultaneous Optical Coherence Tomography and Laser-Induced Fluorescence Measurement," Appl. Opt. 43, 113-121 (2004)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-43-1-113
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