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Radiometric ray-tracing

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Abstract

A new method of ray-tracing for optical system design (including imaging and nonimaging system) is proposed. The method can be used for computing radiometric functions such as brightness (or phase-space density), emissivity (or optical intensity), radiant intensity, and optical flux (power), for quasihomogenous fields,1-3 with arbitrary intensity distribution and arbitrary degree of spatial coherence. Based on phase space formalism, the method can adapt geometrical ray-trajectories, weighted by optical intensity and 2-D Fourier transform of coherence degree, according to the generalized brightness theorem.

© 1991 Optical Society of America

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