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Extinction and absorption coefficients and scattering phase functions of human tissues in vitro
Abstract
Optical properties of different human tissues in vitro have been evaluated by measuring extinction and absorption coefficients at 635- and 515-nm wavelengths and a scattering angular dependence at 635 nm. Extinction was determined by the on-axis attenuation of light transmitted through sliced specimens of various thicknesses. The absorption coefficient was determined by placing samples into an integrating sphere. The Henyey-Greenstein function was used for fitting experimental data of the scattering pattern. The purpose of this work was to contribute to the study of light propagation in mammalian tissues. The results show that, for the investigated tissues, extinction coefficients range from ~200 to 500 cm(-1) whereas absorption coefficients, depending on wavelength, vary from 0.2 to 25 cm(-1). Scattering is forward peaked with an average cosine of ~0.7.
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Cited by
A review of the optical properties of biological tissues
Cheong, W. F., Prahl, S. A., & Welch, A. J. (1990) · IEEE Journal of Quantum Electronics · doi:10.1109/3.64354 · Cited by 2,530
Optical Properties of Circulating Human Blood in the Wavelength Range 400–2500 nm
Roggan, A., Friebel, M., Dörschel, K., Hahn, A., & Müller, G. (1999) · Journal of Biomedical Optics · doi:10.1117/1.429919 · Cited by 819
Two-photon microscopy in brain tissue: parameters influencing the imaging depth
Oheim, M., Beaurepaire, E., Chaigneau, E., Mertz, J., & Charpak, S. (2001) · Journal of Neuroscience Methods · doi:10.1016/s0165-0270(01)00438-1 · Cited by 425
Optical properties of normal and diseased human breast tissues in the visible and near infrared
Peters, V. G., Wyman, D. R., Patterson, M. S., & Frank, G. L. (1990) · Physics in Medicine and Biology · doi:10.1088/0031-9155/35/9/010 · Cited by 414
Measurement of optical properties of biological tissues by low-coherence reflectometry
Schmitt, J. M., Knüttel, A., & Bonner, R. F. (1993) · Applied Optics · doi:10.1364/ao.32.006032 · Cited by 355
Metadata
- Authors
- Marchesini, R., Bertoni, A., Andreola, S., Melloni, E., & Sichirollo, A. E.
- Venue
- Applied Optics
- Publisher
- Optica Publishing Group
- Published
- 1989-06-15
- Volume
- 28
- Issue
- 12
- Pages
- 2318
- ISSN
- 0003-6935 (ISSN-L)
- 1539-4522
- OpenAlex
- W2034277023
- Cited by
- 225
- References
- 0
- FWCI
- 7.49
- Type
- journal article
- Language
- en
- Open access
- closed
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- Marchesini, R., Bertoni, A., Andreola, S., Melloni, E., & Sichirollo, A. E. (1989). Extinction and absorption coefficients and scattering phase functions of human tissues in vitro. Applied Optics. https://doi.org/10.1364/ao.28.002318
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