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Simulation of temperature distribution in tumor Photothermal treatment
Author(s): Xiyang Zhang; Shaoping Qiu; Shulian Wu; Zhifang Li; Hui Li
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Paper Abstract

The light transmission in biological tissue and the optical properties of biological tissue are important research contents of biomedical photonics. It is of great theoretical and practical significance in medical diagnosis and light therapy of disease. In this paper, the temperature feedback-controller was presented for monitoring photothermal treatment in realtime. Two-dimensional Monte Carlo (MC) and diffuse approximation were compared and analyzed. The results demonstrated that diffuse approximation using extrapolated boundary conditions by finite element method is a good approximation to MC simulation. Then in order to minimize thermal damage, real-time temperature monitoring was appraised by proportional-integral-differential (PID) controller in the process of photothermal treatment.

Paper Details

Date Published: 19 February 2018
PDF: 11 pages
Proc. SPIE 10495, Biophotonics and Immune Responses XIII, 104950P (19 February 2018); doi: 10.1117/12.2287136
Show Author Affiliations
Xiyang Zhang, Fujian Normal Univ. (China)
Shaoping Qiu, Fujian Normal Univ. (China)
Shulian Wu, Fujian Normal Univ. (China)
Zhifang Li, Fujian Normal Univ. (China)
Hui Li, Fujian Normal Univ. (China)

Published in SPIE Proceedings Vol. 10495:
Biophotonics and Immune Responses XIII
Wei R. Chen, Editor(s)

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