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Proceedings Paper

Contrast enhancement subsurface optical imaging with different incident polarization states
Author(s): Hanrong Shao; Yonghong He; Yonghong Shao; Hui Ma
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Paper Abstract

Recently optical techniques have been applied to the biomedical areas such as diagnostics, imaging etc. However, light scattering in biological tissues can dramatically degrade the imaging contrast and reduce the probe depth. Polarization based measurement have shown its advantages in overcoming such drawbacks. In this work, we achieved a contrast enhancement in subsurface optical imaging by changing the incident polarization states between linear and circular polarizations. Contrasts of the comb like metal target submerged in Intralipid solutions are measured quantitatively as functions of the Intralipid concentration and the submersion depths. Different behaviors in contrast for linear and circular polarizations are compared. Contributions to the background of circular polarization degree images by backscattering, snake and diffusive photons are examined.

Paper Details

Date Published: 27 October 2006
PDF: 6 pages
Proc. SPIE 6047, Fourth International Conference on Photonics and Imaging in Biology and Medicine, 60470Z (27 October 2006); doi: 10.1117/12.710696
Show Author Affiliations
Hanrong Shao, Tsinghua Univ. (China)
Yonghong He, Tsinghua Univ. (China)
Yonghong Shao, Tsinghua Univ. (China)
Hui Ma, Tsinghua Univ. (China)


Published in SPIE Proceedings Vol. 6047:
Fourth International Conference on Photonics and Imaging in Biology and Medicine
Kexin Xu; Qingming Luo; Da Xing; Alexander V. Priezzhev; Valery V. Tuchin, Editor(s)

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