Time-resolved imaging on a realistic tissue phantom: {mu}{ital {sub s}}{bold {prime}}{bold {mu}}{ital {sub a}} images versus time-integrated images
- Dipartimento di Fisica, Centro di Elettronica Quantistica e Strumentazione Elettronica, Piazza Leonardo da Vinci 32, 20133 Milano (Italy)
A method is proposed by which we construct images through turbid media, plotting directly either the transport-scattering coefficient {mu}{sub s}{prime} or the absorption coefficient {mu}{sub a}. These optical parameters are obtained from the best fit of the time-resolved transmittance curves with a diffusion model. Measurements were performed with a time-correlated single-photon counting system on realistic tissue phantoms simulating a tumor mass within a breast. Images were obtained with an incident power of {lt}1 mW and an acquisition time of 1 s/point. Comparison of {mu}{sub s}{prime} and {mu}{sub a} images with time-integrated images constructed from the same experimental data shows that the fitting method discriminates between scattering and absorption inhomogeneities and improves image quality for scattering but not for absorption inhomogeneities. {copyright} {ital 1996 Optical Society of America.}
- Sponsoring Organization:
- USDOE
- OSTI ID:
- 401124
- Journal Information:
- Applied Optics, Journal Name: Applied Optics Journal Issue: 22 Vol. 35; ISSN 0003-6935; ISSN APOPAI
- Country of Publication:
- United States
- Language:
- English
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