IMAGE-RESOLUTION BY USE OF MULTIPLY SCATTERED-LIGHT

We present calculations based on the Markov-chain technique of the int ensity and direction of light traversing a multiply scattering medium in the isotropic scattering case for pulsed point-source illumination. From these calculations we derive expressions for the trade-off betwe en spatial image resolution and detector integration time when the dif fusion approximation is not valid. We show that image resolution bette r than the diffusion limit is theoretically possible use of multiply s cattered light for samples thinner than approximately 35 scattering le ngths. Monte Carlo simulations are used to extend these results to the anisotropic scattering case.