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28 February 1997 Control of light backscattering in blood during intravenous laser irradiation
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Abstract
One of the most important problems in modern laser medicine is the determination of system response on laser treatment. Reaction of living system is significant during many kinds of laser procedures like surgery, therapy and biostimulation. Our study was aimed to optimize laser exposure using feed-back fiber system for intravenous laser irradiation of blood (ILIB). This system consisted of helium-neon laser (633 nm, 5 mW) with coupled fiber unit, photodetector and PC interface. Photodetector signals produced due to light backscattering were storaged and processed during all blood irradiation procedure. Significant time-dependent variations were observed within 9-15 min after beginning of treatment procedure and were correlated with number of trials, stage and character of disease. The designed feed-back system allows us to register a human blood response on laser irradiation to achieve better cure effect.
© (1997) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Ivan S. Melnik, V. D. Popov, Tatyana V. Rusina, and Sergiy M. Dets "Control of light backscattering in blood during intravenous laser irradiation", Proc. SPIE 3055, International Conference on Optical Storage, Imaging, and Transmission of Information, (28 February 1997); https://doi.org/10.1117/12.267716
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