|B-Phot Authors||Hugo Thienpont|
S. Roelandt, J. Tervo, Y. Meuret, G. Verschaffelt, and H. Thienpont, “Propagation of partially coherent light through a light pipe,” Opt. Express, vol. 21, no. 14, pp. 17007–17019, 2013.
|Abstract||In laser projection applications, laser light modules are often combined with rotating diffusers in order to reduce the appearance of speckle on the projection screen. The rotation of a diffuser in a laser beam generates a beam of partially coherent light. Propagation of this light through the different optical components constituting the laser projector is thus essential when investigating the appearance of speckle. In this paper, a computationally efficient simulation model is presented to propagate partially coherent light through a homogenizing rectangular light pipe. The light pipe alters the coherence properties of the light and different consequences are discussed. The outcomes of the simulation model are experimentally verified using a reversing wavefront Michelson interferometer.|
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