Reconstruction of the optical parameters of stratified tissue

Jinpin Ying; Wei Sun; Binhe Zhou; Yifeng Zhou; Feng Wu

doi:10.1117/12.209838

22 May 1995 Reconstruction of the optical parameters of stratified tissue

Jinpin Ying, Wei Sun, Binhe Zhou, Yifeng Zhou, Feng Wu

Proceedings Volume 2393, Ophthalmic Technologies V; (1995) https://doi.org/10.1117/12.209838
Event: Photonics West '95, 1995, San Jose, CA, United States

Abstract

In this paper, we consider a laser pulse normally incident on the surface of a stratified tissue. The Green function technique in the time domain is used to solve the inverse problem of the transport equation that describes the behavior of energy transport in tissue. The novel algorithm is applied to reconstruct the optical parameters of tissue, which provides the possibility of noninvasive diagnosis and image. The structure of the fundamental solution is analyzed and the equation for the Green function is given together with the initial and boundary conditions. The initial value of the Green function is related to the optical parameters of tissue, and this condition is employed to reconstruct the scattering coefficients or absorption coefficients when the other parameters are assumed to be known. The reflection data are required as the input data in the reconstruction algorithm. It is shown that one-sided reflection data are sufficient to reconstruct one of the optical parameters. The numerical results are presented for both the clean and noisy data to check the stability of the algorithm. This method also provides an efficient way to calculate the internal light distribution field as well as to reconstruct the internal optical parameters distribution.

Citation Download Citation

Jinpin Ying, Wei Sun, Binhe Zhou, Yifeng Zhou, and Feng Wu "Reconstruction of the optical parameters of stratified tissue", Proc. SPIE 2393, Ophthalmic Technologies V, (22 May 1995); https://doi.org/10.1117/12.209838

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