Photonics Research, Volume. 5, Issue 4, 299(2017)

Exploiting a metal wire grating in total internal reflection geometry to achieve achromatic polarization conversion

Xudong Liu, Xuequan Chen, Edward P. J. Parrott, and Emma Pickwell-MacPherson*
Author Affiliations
  • Department of Electronic Engineering, Chinese University of Hong Kong, Shatin, N.T., Hong Kong, China
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    Figures & Tables(6)
    Schematic diagram of the electric (E) fields and magnetic (H) fields above and below the metal wire grating, viewing from (a) the incident plane and (b) the top of the metal grating.
    Diagram of the experimental setup.
    Experimental and theoretical complex reflection coefficients. (a) The magnitude and (b) the phase of rp and rs when the incident signal is p polarized. (c) The magnitude and (d) the phase of rp and rs when the incident signal is s polarized.
    (a) Amplitude ratio (|Erp/Ers|) and (b) phase difference (|φp−φs|) between reflected p and s components, when the incident signal is 45° to the s direction and at a 52° incident angle.
    Polarization states of the (a) incident signal and the reflected signals at (b) θ=34°, (c) θ=58.5°, and (d) θ=90°.
    Amplitude ratio (|Erp/Ers|, black line) phase difference (|φp−φs|, blue line) between the reflected p and s components, when using Si as a prism and setting the incident angle as 47.5° and the incident light to be 45° linear polarized.
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    Xudong Liu, Xuequan Chen, Edward P. J. Parrott, Emma Pickwell-MacPherson. Exploiting a metal wire grating in total internal reflection geometry to achieve achromatic polarization conversion[J]. Photonics Research, 2017, 5(4): 299

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    Paper Information

    Category: Lasers and Laser Optics

    Received: Mar. 16, 2017

    Accepted: May. 4, 2017

    Published Online: Oct. 10, 2018

    The Author Email: Emma Pickwell-MacPherson (emma@ee.cuhk.edu.hk)

    DOI:10.1364/PRJ.5.000299

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