Journal
MATERIALS
Volume 14, Issue 2, Pages -Publisher
MDPI
DOI: 10.3390/ma14020423
Keywords
absorption; coefficient stability; optical parameters; optical phantoms; phantoms mimicking tissue
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Funding
- DS Programs of the Faculty of Electronics, Telecommunications and Informatics of the Gdansk University of Technology
- Faculty of Veterinary Medicine, Warsaw University of Life Sciences
- grant of the Government of the Russian Federation
- state research centres of the Russian Federation [2020-220-08-2389]
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The research investigates the stability of fabricated porous phantoms, which can be used as a lung phantom in optical systems. Measurements were performed multiple times over 6-month intervals using the same measuring system to determine scattering and absorption parameters.
Optical phantoms are used to validate optical measurement methods. The stability of their optical parameters over time allows them to be used and stored over long-term periods, while maintaining their optical parameters. The aim of the presented research was to investigate the stability of fabricated porous phantoms, which can be used as a lung phantom in optical system. Measurements were performed in multiple series with an interval of 6 months, recreating the same conditions and using the same measuring system consisting of an integrating sphere, a coherent light source with a wavelength of 635 nm and a detector. Scattering and absorption parameters were determined on the basis of the measured reflectance and transmittance. The tested samples were made of silicone and glycerol in various proportions.
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