One-dimensional diffuser based on a thick layer of dichromated gelatin |
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Authors: | N. M. Ganzherli Yu. N. Denisyuk I. A. Maurer |
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Affiliation: | (1) Ioffe Physicotechnical Institute, Russian Academy of Sciences, St. Petersburg, 194021, Russia |
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Abstract: | A new diffuser capable of scattering light in one direction (one-dimensional diffuser) has been developed and experimentally tested. The diffuser is formed in a thick layer of dichromated gelatin. The scattering indicatrices of the diffuser measured in two mutually perpendicular directions are presented. It is demonstrated that the indicatrix width in one direction is significantly greater than that in the perpendicular direc-tion. However, no zero-order diffraction has been observed. The proposed one-dimensional diffuser exhibits close scattering indicatrices for reading at a wavelength of 0.44 and 0.63 μm. |
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