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. 2016 Dec 9;6:38562. doi: 10.1038/srep38562

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Copyright © 2016, The Author(s)

This work is licensed under a Creative Commons Attribution 4.0 International License. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in the credit line; if the material is not included under the Creative Commons license, users will need to obtain permission from the license holder to reproduce the material. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/

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Experimental time domain pulses with different polarization angles of (a) PGG and (b) MGG. Experimental transmission spectra of TE (0°) and TM (90°) polarization modes obtained by Fourier transform of the time domain data for (c) PGG and (d) MGG. Experimental effective refractive indexes of TE (0°) and TM (90°) modes obtained by Fourier transform of the time domain data and Eq. 8 for (e) PGG and (f) MGG.