Photofabrication of random achromatic optical diffusers for uniform illumination

We propose a method of designing two-dimensional random surfaces that scatter light uniformly within a specified range of angles and produce no scattering outside that range. The method is first tested by means of computer simulations. Then a procedure for fabricating such structures on photoresist...

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Bibliographic Details
Published in:Applied optics (2004) 2001-03, Vol.40 (7), p.1098-1108
Main Authors: Méndez, E R, García-Guerrero, E E, Escamilla, H M, Maradudin, A A, Leskova, T A, Shchegrov, A V
Format: Article
Language:English
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Summary:We propose a method of designing two-dimensional random surfaces that scatter light uniformly within a specified range of angles and produce no scattering outside that range. The method is first tested by means of computer simulations. Then a procedure for fabricating such structures on photoresist is described, and light-scattering measurements with the fabricated samples are presented. The results validate the design procedure and show that the fabrication method is feasible.
ISSN:1559-128X
DOI:10.1364/AO.40.001098