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Opt Lett. 2005 Aug 15;30(16):2089-91.

Near-infrared demonstration of computer-generated holograms implemented by using subwavelength gratings with space-variant orientation.

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Department of Electrical and Computer Engineering, University of California, San Diego, 9500 Gilman Drive, La Jolla, California 92093-0407, USA.


We provide an experimental demonstration of novel form-birefringent computer-generated holograms at wavelengths of 1.55 and 10.6 microm. These novel devices utilize a 2-D array of cells that can be fabricated with a single lithographic step. Each cell contains a subwavelength binary grating whose orientation controls the desired continuous phase profile within the cell.


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