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Optical characterization of biological tissues using nanoscale FinFET photodetector

R. RAMESH1,* , M. MADHESWARAN2, K. KANNAN3

Affiliation

  1. Department of Electronics and Communication Engineering, M.A.M College of Engineering, Trichy – 621 105, TamilNadu, India
  2. Center for Advanced Research, Muthayammal Engineering College, Rasipuram-637 408, TamilNadu, India
  3. Department of Mathematics, SASTRA University, Thanjavur, TamilNadu, India

Abstract

A non-invasive optical method for the characterization of biological tissues using nanoscale FinFET photodetector by wavelet approach has been theoretically developed and presented in this paper. To the best of our knowledge, this approach is the first of its kind for classifying the skin tissue and muscle tissue by determining the surface potential variations of nanoscale FinFET photodetector illuminated by a laser source. The compositional variation of various tissues could be determined by solving the 3-D Poisson-Schrödinger equation using interpolating wavelets. The optical parameters such as absorption and reduced scattering coefficients are also estimated. By this method, the point-to-point variation in tissue composition and structural variation in healthy and diseased tissues could be determined. The results obtained are used to examine the performance of the device for its suitable use as a nanoscale sensor for classification of different tissues..

Keywords

FinFET photodetector, Biological Tissue, Optical characterization.

Submitted at: Sept. 5, 2010
Accepted at: Oct. 14, 2010

Citation

R. RAMESH, M. MADHESWARAN, K. KANNAN, Optical characterization of biological tissues using nanoscale FinFET photodetector, Journal of Optoelectronics and Advanced Materials Vol. 12, Iss. 10, pp. 2044-2051 (2010)