Programming balanced optical beam splitters in white paint

Simon R. Huisman, Thomas J. Huisman, Sebastianus A. Goorden, Allard P. Mosk, Pepijn W.H. Pinkse

Research output: Contribution to journalArticleAcademicpeer-review

27 Citations (Scopus)
131 Downloads (Pure)


Wavefront shaping allows for ultimate control of light propagation in multiple-scattering media by adaptive manipulation of incident waves. We shine two separate wavefront-shaped beams on a layer of dry white paint to create two enhanced output spots of equal intensity. We experimentally confirm by interference measurements that the output spots are almost correlated like the two outputs of an ideal balanced beam splitter. The observed deviations from the phase behavior of an ideal beam splitter are analyzed with a transmission matrix model. Our experiments demonstrate that wavefront shaping in multiple-scattering media can be used to approximate the functionality of linear optical devices with multiple inputs and outputs.
Original languageEnglish
Pages (from-to)8320-8332
JournalOptics express
Issue number7
Publication statusPublished - 2014


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