Fj. Gabiola et al., IRRADIANCE ANALYSIS FOR INDOOR POINT-TO-POINT AND QUASI-DIFFUSE INFRARED CHANNELS, Microwave and optical technology letters, 6(9), 1993, pp. 557-560
This article deals with the calculation of the irradiance produced by
an optical system made up of a lens and a nonpunctual optical source w
ith generalized Lambertian profile (cos'' theta). This calculus can be
applied to predict the size and power distribution of the irradiated
area in point-to-point and quasidiffuse channels. Theoretical results
are in good agreement with experimental measurements.