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Multi-angle projection imaging of short-wave infrared (SWIR) fluorescence for small animal optical tomography
Author(s): B. K. Byrd; C. E. Filan; M. R. Folaron; R. R. Strawbridge; D. J. Wirth; S. C. Davis
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Paper Abstract

Short-wave infrared imaging in tissue in the 1000-2000 nm range is characterized by reduced photon scatter and comparable or higher absorption compared to the NIR-I regime. These characteristics have implications for the performance of fluorescence molecular tomography (FMT) techniques, potentially improving the resolution of subsurface structure, possibly at the expense of depth sensitivity. To examine these questions, we have developed a SWIR small animal fluorescence tomography system. This instrument acquires multi-angle SWIR projection images of a stationary platform through a rotating gantry technique. These images are then processed for tomographic reconstruction of the SWIR fluorescence activity. Herein, we describe the development of this system and show multi-angle images from a mouse carcass containing a SWIR-specific fluorophore inclusion.

Paper Details

Date Published: 7 March 2019
PDF: 5 pages
Proc. SPIE 10862, Molecular-Guided Surgery: Molecules, Devices, and Applications V, 108620E (7 March 2019); doi: 10.1117/12.2510652
Show Author Affiliations
B. K. Byrd, Dartmouth College (United States)
C. E. Filan, Dartmouth College (United States)
M. R. Folaron, Dartmouth College (United States)
R. R. Strawbridge, Dartmouth College (United States)
D. J. Wirth, Dartmouth College (United States)
S. C. Davis, Dartmouth College (United States)

Published in SPIE Proceedings Vol. 10862:
Molecular-Guided Surgery: Molecules, Devices, and Applications V
Brian W. Pogue; Sylvain Gioux, Editor(s)

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