1. Li, P., M. Lewin, A. V. Kretinin, et al. "Hyperbolic phonon-polaritons in boron nitride for near-field optical imaging and focusing," Nature Communication, Vol. 6, 7507, 2015.
doi:10.1038/ncomms8507        Google Scholar

2. Lipworth, B., J. Ensworth, K. Seetharam, et al. "Magnetic metamaterial superlens for increased range wireless power transfer," Science, Vol. 4, 3642, 2014.        Google Scholar

3. Singh, R. K., A. Michel, P. Nepa, A. Salvatore, M. Terraroli, and P. Perego, "Compact and wearable Yagi-like textile antennas for near-field UHF-RFID readers," IEEE Transactions on Antennas and Propagation, Vol. 69, No. 3, 1324-1333, 2021.
doi:10.1109/TAP.2020.3030944        Google Scholar

4. Musavi, F. and W. Eberle, "Overview of wireless power transfer technologies for electric vehicle battery charging," IEEE Power Electronics, Vol. 7, No. 1, 60-66, 2014.        Google Scholar

5. Sherman, K., "Properties of focused apertures in the Fresnel region," IEEE Transactions on Antennas and Propagation, Vol. 10, No. 4, 399-408, 1962.
doi:10.1109/TAP.1962.1137900        Google Scholar

6. Hansen, R. C., "Focal region characteristics of focused array antennas," IEEE Transactions on Antennas and Propagation, Vol. 33, No. 12, 1328-1337, 1985.
doi:10.1109/TAP.1985.1143539        Google Scholar

7. Shafai, L., A. A. Kishk, and A. Sebak, "Near field focusing of apertures and reflector antennas," Communications, Power and Computing, 246-251, 1997.        Google Scholar

8. Bor, J., S. Clauzier, O. Lafond, and M. Himdi, "60 GHz foam-based antenna for near-field focusing," Electronics Letters, Vol. 50, No. 8, 571-572, 2015.
doi:10.1049/el.2014.0653        Google Scholar

9. Buffi, A., P. Nepa, and G. Manara, "Design criteria for near-field-focused planar arrays," IEEE Antennas & Propagation Magazine, Vol. 54, No. 1, 40-50, 2012.
doi:10.1109/MAP.2012.6202511        Google Scholar

10. Tofigh, F., J. Nourinia, M. Azarmanesh, and K. M. Khazaei, "Near-field focused array microstrip planar antenna for medical applications," IEEE Antennas and Wireless Propagation Letters, Vol. 13, 951-954, 2014.
doi:10.1109/LAWP.2014.2322111        Google Scholar

11. Siragusa, R., P. Lemaitre-Auger, and S. Tedjini, "Tunable near-field focused circular phase-array antenna for 5.8-GHz RFID applications," IEEE Antennas and Wireless Propagation Letters, Vol. 10, 33-36, 2011.
doi:10.1109/LAWP.2011.2108632        Google Scholar

12. Stephan, K. D., J. B. Mead, D. M. Pozar, L. Wang, and J. A. Pearce, "A near field focused microstrip array for a radiometric temperature sensor," IEEE Transactions on Antennas and Propagation, Vol. 55, No. 4, 1199-1203, 2007.
doi:10.1109/TAP.2007.893429        Google Scholar

13. Karimkashi, S. and A. A. Kishk, "Focusing properties of Fresnel zone plate lens antennas in the near-field region," IEEE Transactions on Antennas and Propagation, Vol. 59, No. 5, 1481-1487, 2011.
doi:10.1109/TAP.2011.2123069        Google Scholar

14. Luo, W. and L. Xu, "Wireless power transfer in the radiative near-field using a reconfigurable holographic metasurface aperture," IEEE International Conference on Communications, 1-5, 2018.        Google Scholar

15. Wang, T., G. Zhai, R. Xie, et al. "Dual-band terahertz auto-focusing airy beam based on single-layer geometric metasurfaces with independent complex amplitude modulation at each wavelength," Advanced Theory and Simulations, 2019.        Google Scholar

16. Li, J., Y. Yuan, Q. Wu, et al. "Dual-band independent phase control based on high efficiency metasurface," Chinese Optics Letters, Vol. 19, No. 10, 100501, 2021.
doi:10.3788/COL202119.100501        Google Scholar

17. Wang, T., R. Xie, S. Zhu, et al. "Dual-band high efficiency terahertz meta-devices based on reflective geometric metasurfaces," IEEE Access, Vol. 7, 58131-58138, 2019.
doi:10.1109/ACCESS.2019.2912017        Google Scholar

18. Chia, T. T., T. K. Chua, and Z. N. Chen, "Design of a C-band reflectarray antenna for near-field applications," International Conference on Electromagnetics in Advanced Applications, 1028-1031, 2019.        Google Scholar

19. Zhang, P., L. Li, X. Zhang, H. Liu, and Y. Shi, "Design, measurement and analysis of near-field focusing reflective metasurface for dual-polarization and multi-focus wireless power transfer," IEEE Access, Vol. 7, 110387-110399, 2019.
doi:10.1109/ACCESS.2019.2934135        Google Scholar

20. Zhang, N., K. Chen, W. Zhao, G. Qian, J. Zhao, and Y. Feng, "Reconfigurable coding metasurface for dual-band dynamic near-field microwave focusing," International Conference on Microwave and Millimeter Wave Technology, 1-3, 2020.        Google Scholar

21. Zhang, P., L. Li, and Y. Liu, "A dual-band reflective metasurface using near-field focusing and zero-order bessel beam for wireless power transfer," International Conference on Microwave and Millimeter Wave Technology, 1-3, 2019.        Google Scholar

22. Cui, X. W., M. Wang, M. Chang, P. Zhang, J. Chen, and L. Li, "Analysis of feed antenna in near-field focusing-based reflectarray for wireless power transfer," IEEE MTT-S International Wireless Symposium, 1-3, 2020.        Google Scholar

23. Du, G., D. Wang, X. Sun, and Y. Zhao, "Design of a reflective metasurface for near-field focusing," IEEE International Symposium on Antennas and Propagation and USNC-URSI Radio Science Meeting, 323-324, 2021.        Google Scholar