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Conferences > OAM > 1991 > MZ > MZ5

Ballistic and snake signal imaging in tissue scattering walls using a picosecond multistage Kerr system

L. Wang, P. P. Ho, and R. R. Alfano

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Abstract

One key problem to be addressed in optical detection of hidden objects inside biological tissue scattering samples is the improvement of the image signal to noise ratio. Due to the multiscattering process in highly turbid media, the strength of the ballistic signal through a thick tissue is less than 10-6 of the incident pulse. The early arrival ballistic and snake parts of the transmitted signal, which contain the least distorted image information, would be buried in the noise from the later arrival diffused light.

© 1991 Optical Society of America

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