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Title: Dielectric waveguide bending adapter with ideal transmission : practical design strategy of area-preserving affine transformation optics
Authors: Xu, Hongyi
Zhang, Baile
Yu, Tianyuan
Barbastathis, George
Sun, Handong
Keywords: DRNTU::Science::Physics::Optics and light
Issue Date: 2012
Source: Xu, H., Zhang, B., Yu, T., Barbastathis, G., & Sun, H. (2012). Dielectric waveguide bending adapter with ideal transmission: practical design strategy of area-preserving affine transformation optics. Journal of the Optical Society of America B, 29(6), 1287-1290.
Series/Report no.: Journal of the optical society of America B
Abstract: Transformation optics has inspired numerous conceptual devices since the first theoretical model of invisibility cloaks. However, the transition of these concepts into industrial applications is now widely acknowledged as a challenging bottleneck. A practical design strategy that can be adopted by industrial engineers is thus desirable at this stage. Here we propose an integrated design strategy imposing practical constraints on the area-preserving affine coordinate transformation as a general practical method to solve the problem of nonmagnetism. Practical concerns related to fabrication, such as anisotropy degree and bending angles, serve as additional constraints to the transformation. As a specific example, we illustrate how to apply this practical strategy to the design of a two-dimensional electromagnetic waveguide bending adapter. Our study is a significant step toward practical use of ideal transformation optics devices that can be implemented with natural dielectric materials.
DOI: 10.1364/JOSAB.29.001287
Rights: © 2012 Optical Society of America. This paper was published in Journal of the Optical Society of America B and is made available as an electronic reprint (preprint) with permission of Optical Society of America. The paper can be found at the following official DOI:  One print or electronic copy may be made for personal use only. Systematic or multiple reproduction, distribution to multiple locations via electronic or other means, duplication of any material in this paper for a fee or for commercial purposes, or modification of the content of the paper is prohibited and is subject to penalties under law.
Fulltext Permission: open
Fulltext Availability: With Fulltext
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