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28 April 2009 Beam steering performance of electrowetting microprism arrays
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We perform numerical calculations for the diffraction efficiency of single-sided microprism designs with optical beams spread over several microprisms. For small angles (less than 1.5 degrees) the far-field diffraction efficiency exceeds 90% and the far-field angles can be extended to more than 10 degrees with better than 80% diffraction efficiency. For the microprism array the diffraction angles are discrete and the angles between the diffraction peaks can be covered by applying a tilted phase to the input field.
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Wei Han, Joseph W. Haus, Paul McManamon, Jason Heikenfeld, Neil R. Smith, and Jia Yang "Beam steering performance of electrowetting microprism arrays", Proc. SPIE 7339, Enabling Photonics Technologies for Defense, Security, and Aerospace Applications V, 73390J (28 April 2009); doi: 10.1117/12.822120;

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