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Parameter-tolerant binary gratings

Abstract : A normalized modal analysis of binary gratings under normal TE incidence involving the most condensed set of optogeometrical parameters gives a complete solution to the problem of canceling the 0th transmitted order in phase masks of a low-to-high refractive index ratio down to 0.5 with a large tolerance on the corrugation duty cycle or a large spectral bandwidth. The solution is presented in the form of single normalized 3D charts which shed light on the fulfillment of the 0th-order cancellation condition: balanced excitation and -phase difference between two grating modes. Examples of tolerant gratings are given.
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Submitted on : Wednesday, January 5, 2011 - 3:42:44 PM
Last modification on : Saturday, June 25, 2022 - 10:51:39 AM




Thomas Kampfe, Olivier Parriaux. Parameter-tolerant binary gratings. Journal of the Optical Society of America. A Optics, Image Science, and Vision, 2010, 27 (12), pp.2660-2669. ⟨10.1364/JOSAA.27.002660⟩. ⟨ujm-00552144⟩



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