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Transformation bending device emulated by graded-index waveguide

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arxiv 1205.6521 v1 pith:JYPTB577 submitted 2012-05-29 physics.optics

Y. Wang , C. Sheng , H. Liu , Y. J. Zheng , C. Zhu , S. M. Wang , S. N. Zhu This is my paper
classification physics.optics
keywords waveguidedevicetransformationdemonstrateemulatedlossresultsagreement
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We demonstrate that a transformation device can be emulated using a gradient-index waveguide. The effective index of the waveguide is spatially varied by tailoring a gradient thickness dielectric waveguide. Based on this technology, we demonstrate a transformation device guiding visible light around a sharp corner, with low scattering loss and reflection loss. The experimental results are in good agreement with the numerical results.

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