The multiple scattering corrections to the Beer-Lambert law in the case of a detector with a variable field of view are analyzed. We introduce transmission functions relating the received radiant power to reference power levels relevant to two different experimental situations. In the first case, the transmission function relates the received power to a reference power level appropriate to a nonattenuating medium. In the second case, the reference power level is established by bringing the receiver to the close-up position with respect to the source. To examine the effect of the variation of the detector field of view the behavior of the gain factor is studied. Numerical results modeling the laser beam propagation in fog, cloud, and rain are presented.
© 1982 Optical Society of America
Original Manuscript: February 4, 1982
Published: July 1, 1982
A. Zardecki and W. G. Tam, "Multiple scattering corrections to the Beer-Lambert law. 2: Detector with a variable field of view," Appl. Opt. 21, 2413-2420 (1982)