Demonstration of an entirely handheld real-time frequency-domain near-infrared spectroscopy imaging system

Roy A. Stillwell; Adam G. Longoria; Eric W. Sheeder; Karla A. Gonzalez; Nicholas Ross; Thomas D. O'Sullivan

doi:10.1117/12.3003850

13 March 2024 Demonstration of an entirely handheld real-time frequency-domain near-infrared spectroscopy imaging system

Roy A. Stillwell, Adam G. Longoria, Eric W. Sheeder, Karla A. Gonzalez, Nicholas Ross, Thomas D. O'Sullivan

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Proceedings Volume PC12827, Multiscale Imaging and Spectroscopy V; PC128270A (2024) https://doi.org/10.1117/12.3003850
Event: SPIE BiOS, 2024, San Francisco, California, United States

Abstract

We demonstrate an entirely handheld frequency-domain near-infrared spectroscopy imager capable of displaying 2D images in real-time. The system provides high flexibility using a multi-wavelength (6 sources, 690 - 980nm), multi-frequency (50-400MHz), multi-channel (3 detectors) approach that addresses many of the limitations of prior fdNIRS systems including system size, speed, and ease of use.

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Roy A. Stillwell, Adam G. Longoria, Eric W. Sheeder, Karla A. Gonzalez, Nicholas Ross, and Thomas D. O'Sullivan "Demonstration of an entirely handheld real-time frequency-domain near-infrared spectroscopy imaging system", Proc. SPIE PC12827, Multiscale Imaging and Spectroscopy V, PC128270A (13 March 2024); https://doi.org/10.1117/12.3003850

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KEYWORDS

Imaging systems

Near infrared spectroscopy

Optical properties

Laser frequency

Data acquisition

Tissues

System on a chip

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