Zhongxiang Shen
From Derek
[1] A. Ebrahimi, Z. Shen, W. Withayachumnankul, S. Al-Sarawi, and D. Abbott, "Varactor-tunable second-order bandpass frequency-selective surface with embedded bias network," IEEE Transactions on Antennas and Propagation, Vol. 64, No. 5, pp. 1672–1680, 2016, http://dx.doi.org/10.1109/TAP.2016.2537378