Presentation
13 March 2024 Frequency domain shortwave infrared spectroscopy for non-invasive measurement of tissue optical properties
Diana Suciu, Thao Pham, Lina Lin Wei, Vipul Chitalia, Darren Roblyer
Author Affiliations +
Proceedings Volume PC12827, Multiscale Imaging and Spectroscopy V; PC128270N (2024) https://doi.org/10.1117/12.3002519
Event: SPIE BiOS, 2024, San Francisco, California, United States
Abstract
We present here a new technique called Frequency Domain Shortwave Infrared Spectroscopy (FD-SWIRS), which provides absolute broadband optical property extractions as well as tissue water and lipids concentrations using shortwave infrared light. Measurements from a custom digital FD system at 730, 852, 940, and 980 nm were combined with broadband continuous wave (CW) measurements (900 - 1310 nm). FD and CW measurements were integrated using model-based analysis to provide broadband absolute absorption and reduced scattering spectra. Intralipid and heavy water titrations, drift, SNR, a porcine desiccation experiment, and other key experiments were conducted to characterize the system.
Conference Presentation
© (2024) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Diana Suciu, Thao Pham, Lina Lin Wei, Vipul Chitalia, and Darren Roblyer "Frequency domain shortwave infrared spectroscopy for non-invasive measurement of tissue optical properties", Proc. SPIE PC12827, Multiscale Imaging and Spectroscopy V, PC128270N (13 March 2024); https://doi.org/10.1117/12.3002519
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KEYWORDS
Infrared spectroscopy

Shortwaves

In vivo imaging

Scattering

Tissues

Absorption

Continuous wave operation

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