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5 October 2000 Effective medium theory for designing binary circular subwavelength diffractive optical elements
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Proceedings Volume 4223, Instruments for Optics and Optoelectronic Inspection and Control; (2000) https://doi.org/10.1117/12.401766
Event: Optics and Optoelectronic Inspection and Control: Techniques, Applications, and Instruments, 2000, Beijing, China
Abstract
A procedure for design binary circular subwavelength diffractive optical elements (DOE) is presented. In this procedure, we first generalized the design approach presented by Farn and extend Farn's techniques to include the design of binary circular subwavelength diffractive optical elements, we apply the zeroth-order effective medium theory in every subwavelength area to determine the relationship between index and the fill factor. An example is presented. The body of revolution finite difference time domain method is used to analyze responses of this DOE. The results are compared with the counterparts of its continuous profile.
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Caihua Chen, Zhenwu Lu, and Baochang Zhao "Effective medium theory for designing binary circular subwavelength diffractive optical elements", Proc. SPIE 4223, Instruments for Optics and Optoelectronic Inspection and Control, (5 October 2000); https://doi.org/10.1117/12.401766
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