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All-Fiber-Optic Based Catheter System for Simultaneous Endoscopic Optical Coherence Tomography and Fluorescence Imaging

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Abstract

An all-fiber-optically based balloon catheter for simultaneous fluorescence imaging and optical coherence tomography has been designed and implemented. With the use of double clad fiber we were able to deliver excitation light for both optical coherence tomography and fluorescence while collecting the OCT signal through the single-mode core and fluorescence emission through the large inner cladding. The performance of this small yet robust multimodal catheter has been demonstrated on tissue phantom, ex vivo pig esophagus and mouse tumor imaging.

© 2012 Optical Society of America

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