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Integrated IVOCT-US-NIRF imaging of an ex vivo rabbit aorta. (a) System schematic. (b) IVOCT-NIRF (inner: IVOCT, outer: NIRF). (c) US image. (d) Overlaid image of (b) and (c). (e) Histology. WDM: wavelength-division multiplexing. DCF: double clad fiber. PMT: photomultiplier tube. CW: continuous wavelength. OCT: optical coherence tomography. US: ultrasound. NIRF: near infrared fluorescence.
