The attenuation of light in rabbit liver and striated muscle and in pig brain has been
measured in the wavelength range400–800 nrn. A variable‐wavelength monochromatic …

Abstract Knowledge of the optical absorption and scattering properties of tissues is required
to calculate the spatial distribution of light in vivo for applications such as photodynamic …

This paper is a report on the state of the art of light dosimetry in photomedicine and
photobiology. The basic quantity of interest is the radiant energy fluence rate, which can …

The development of noninvasive optical studies necessitates an understanding of the
biological parameters which affect light propagation in soft tissues. In the present report, we …

This paper starts with definitions of radiance, fluence (rate) and other quantities that are
important with regard to in vivo light dosimetry. The light distribution in mammalian tissues …

A prototype instrument is described, based on optical fiber light delivery and detection, for
quantitative, non-invasive, in vivo studies of photosensitizers used in photodynamic therapy …

Dosimetry for photodynamic therapy (PDT) is becoming increasingly complex as more
factors are identified which may influence the effectiveness of a given treatment. The simple …

Measurement of Ex Vivo and In Vivo Tissue Optical Properties: Methods and Theories |
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Since biological response to photodynamic therapy (PDT) depends on the light fluence
distribution and photosensitizer concentration in the tissue, these two variables should …

Photodynamic dose is defined as the area under the curve of sensitizer level plotted as a
function of light dose. This is a photochemical definition of dose. We will show that this …