A method of predicting the intensity distribution in the beam from a paraboloid mirror with an axial light source at its focus is based on the summation of the overlapping images of the source. Practical examples are given for optically accurate and for commercial quality reflectors, in comparison with a prediction method using Gaussian curves.
Calvert, E.S. , The Illuminating Engineer, 25, 32 (1932).
3.
Ryde, J.W. and Yates, D.E., Proc. CIE (Saranac Inn), p. 359 (1928). Also see Jolley, L.B.W., Waldram, J.M. and Wilson, G.H., Theory and design of illuminating engineering equipment, p. 327 et seq., Chapman & Hall, London1930.