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A Wide-angle Broadband Waveplate Based on Field Transformation Approach
Junming Zhao 1 * #,Yang Hao 2,Yijun Feng 1
1.School of Electronic Science and Engineering, Nanjing University, Nanjing, 210093, China
2.School of Electronic Engineering and Computer Science, Queen Mary University of London
*Correspondence author
#Submitted by
Subject:
Funding: National Nature Science Foundation of China （No.61101011) Ph.D. Programs Foundation of Ministry of Education of China）
Opened online: 6 January 2015
Accepted by: none
Citation: Junming Zhao,Yang Hao,Yijun Feng.A Wide-angle Broadband Waveplate Based on Field Transformation Approach[OL]. [ 6 January 2015] http://en.paper.edu.cn/en_releasepaper/content/4625557
 
 
We present here a wide-angle broadband waveplate based on a field transformation (FT) method. By adjusting the thickness of such waveplate, we obtain both half-wave and quarter-wave plates which achieve polarization conversions between TE (transverse electric) and TM (transverse magnetic), LCP (left-handed circular polarization) and RCP (right-handed circular polarization), linear and circular polarizations separately for both transmission and reflection cases. Such waveplates can be realized through sub-wavelength dielectric gratings based on effective media theory, whose performances have been verified through numerical and full-wave simulations with measurements carried out in microwave regime. In principle the proposed prototype is applicable from radio to optical frequencies.
Keywords:microwave technology; waveplate; field transformation; effect media theory
 
 
 

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