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7 March 2022 A real-time fully handheld frequency domain near infrared spectroscopy imaging system
Roy A. Stillwell, Thomas D. O'Sullivan
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Proceedings Volume PC11944, Multiscale Imaging and Spectroscopy III; PC119440D (2022) https://doi.org/10.1117/12.2608254
Event: SPIE BiOS, 2022, San Francisco, California, United States
Abstract
Frequency-domain near-infrared spectroscopy (fdNIRS) has been shown to be a promising tool for the diagnosis and monitoring of breast cancer treatment in point-of-care settings. However, current fdNIRS embodiments suffer from poor scalability and high complexity that has slowed their clinical translation. For the first time, we present a handheld, fully-wireless, multi-detector, multi-wavelength, fdNIRS system capable of real-time quantitative noninvasive measurements of optical properties and tissue chromophore concentrations at >10 kHz. High spatial resolution 2D topography images are displayed in real-time on a mobile platform with motion tracking. We characterize the system against prior generations, as well as in-vivo performance in human subjects.
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Roy A. Stillwell and Thomas D. O'Sullivan "A real-time fully handheld frequency domain near infrared spectroscopy imaging system", Proc. SPIE PC11944, Multiscale Imaging and Spectroscopy III, PC119440D (7 March 2022); https://doi.org/10.1117/12.2608254
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KEYWORDS
Near infrared spectroscopy
Imaging systems
Optical properties
Sensors
Optical sensors
Optical tracking
Point-of-care devices
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