1. Veselago, V., "The electrodynamics of substrates with simultaneously negative values of ε and μ," Soviet Physics Uspekhil, Vol. 10, No. 4, 509-514, 1968.
doi:10.1070/PU1968v010n04ABEH003699        Google Scholar

2. Smith, D. R., W. J. Padilla, D. C. Vier, S. C. Nemat-Nasser, and S. Schultz, "Composite medium with simultaneously negative permeability and permittivity," Phys. Rev. Lett., Vol. 84, 4184-4187, May 2000.
doi:10.1103/PhysRevLett.84.4184        Google Scholar

3. Alzan, V., et al. "Tailoring the physical properties of nanocomposite films by the insertion of graphene and other nanoparticles," Compos. Part B: Eng., Vol. 60, 29-35, Apr. 2014.        Google Scholar

4. Gugliuzza, A., A. Politano, and E. Drioli, "The advent of graphene and other two-dimensional materials in membrane science and technology," Curr. Opin. Chem. Eng., Vol. 16, 78-85, May 2017.
doi:10.1016/j.coche.2017.03.003        Google Scholar

5. Caloz, C. and T. Itoh, "Transmission line approach of left-handed (LH) materials and microstrip implementation of an artificial LH transmission line," IEEE Trans. Antennas Propagat., Vol. 52, No. 5, 1159-1166, May 2004.
doi:10.1109/TAP.2004.827249        Google Scholar

6. Ikeda, T., K. Sakakibara, T. Matsui, N. Kikuma, and H. Hirayama, "Beam-scanning performance of leaky-wave slot-array antenna on variable stub-loaded left-handed waveguide," IEEE Trans. Antennas Propagat., Vol. 56, No. 12, 3611-3618, Dec. 2008.
doi:10.1109/TAP.2008.2007278        Google Scholar

7. Kim, D. J. and J. H. Lee, "Beam scanning leaky-wave slot Antenna using balanced CRLH waveguide operating above the cutoff frequency," IEEE Trans. Antennas Propagat., Vol. 61, No. 5, 2432-2440, May 2013.
doi:10.1109/TAP.2013.2237740        Google Scholar

8. Eshrah, I. A., A. A. Kishk, A. B. Yakovlev, and A. W. Glisson, "Rectangular waveguide with dielectric-filled corrugations supporting backward waves," IEEE Trans. Microwave Theory Tech., Vol. 53, No. 11, 3298-3304, Nov. 2005.
doi:10.1109/TMTT.2005.855748        Google Scholar

9. Iwasaki, T., H. Kamoda, T. Derham, and T. Kuki, "A composite right/left-handed rectangular waveguide with tilted corrugations for millimeter-wave frequency scanning antenna," 2008 European Microwave Conf., 563-566, Amsterdam, Oct. 2008.        Google Scholar

10. Kord, A. M. and I. A. Eshrah, "Generalised asymptotic boundary conditions and their application to composite right/left-handed rectangular waveguide with double-ridge corrugations," IET Microwaves, Antennas Propagat., Vol. 8, No. 13, 1014-1020, Oct. 2014.
doi:10.1049/iet-map.2013.0326        Google Scholar

11. Semouchkina, E., S. Muduruni, G. Semouchkin, and R. Mittra, "Band-pass filtering by below-cutoff waveguides loaded with split-ring resonators: Relevance to lefthandedness," 2007 IEEE MTT-S Intern’l Symp., 1839-1842, Honolulu, HI, Jun. 2007.        Google Scholar

12. Eldeen, A. M. N. and I. A. Eshrah, "CRLH waveguide with air-filled double-ridge corrugations," 2011 IEEE AP-S Intern’l Symp., 2965-2968, Spokane, WA, Jul. 2011.        Google Scholar

13. Mizutani, Y., M. Kishihara, I. Ohta, K. Okubo, and H. Takimoto, "Constitution of left-handed waveguide using cutoff TM mode," 2014 APMC, 208-210, Sendai, Japan, Nov. 2014.        Google Scholar

14. Oshima, I., T. Seki, N. Michishita, and K. Cho, "Omnidirectional composite right/left-handed leaky-wave antenna with downtilted beam," 2015 IEEE AP-S Intern’l Symp., 2439-2440, Vancouver, BC, Jul. 2015.        Google Scholar

15. Sakamoto, A., K. Cho, N. Michishita, T. Seki, and I. Oshima, "Transmission characteristic comparison between right and left handed leaky wave antennas composed of CRLH coplanar strip line," 2016 ISAP, 828-829, Okinawa, Oct. 2016.        Google Scholar

16. Mohan, M. P. and A. Alphones, "Double periodic CRLH transmission line for wideband performance," 2016 APMC, 1-4, New Delhi, Dec. 2016.        Google Scholar

17. Yang, Q., X. Zhao, and Y. Zhang, "Leaky-wave radiation analysis for CRLH waveguide with long slot on its broadwall," EuCAP 2016, 1-5, Davos, Apr. 2016.        Google Scholar

18. Siaka, F., J. J. Laurin, and R. Deban, "New broad angle frequency scanning antenna with narrow bandwidth based on a CRLH structure," IET Microwaves, Antennas Propaga., Vol. 11, No. 11, 1644-1650, Sep. 2017.
doi:10.1049/iet-map.2016.0732        Google Scholar

19. Siddiqui, Z., A. Radwan, M. Sonkki, M. Tuhkala, and S. Myllymaki, "Leaky coaxial cable antenna based on sinusoidally-modulated reactance surface," 2017 Progress In Electromagnetics Research Symposium — Spring (PIERS), 3887-3890, St Petersburg, Russia, May 22–25, 2017.        Google Scholar

20. Yuki, M., M. Kishihara, and I. Ohta, "Constitution of left-handed waveguide based on cutoff TEand TM-mode," IEICE Transactions on Electronics (Japanese Edition), C-2-67, May 2014.        Google Scholar

21. Nishimura, S., H. Deguchi, and M. Tsuji, "Radiation characteristics in new CRLH cylindrical waveguides," 2015 APCAP, 350-352, Bali Island, Indonesia, Jul. 2015.        Google Scholar

22. Nishimura, S., H. Deguchi, and M. Tsuji, "Transmission characteristic on a partially ridge-loaded composite right/left-handed cylindrical waveguide," 2015 ICEAA Intern’l Conf., 844-846, Torino, Italy, Sep. 2016.        Google Scholar

23. Nishimura, S., H. Deguchi, and M. Tsuji, "Radiation characteristics of leaky-wave antenna using ridge-loaded composite right/left-handed cylindrical waveguides," 2016 IEEE AP-S Intern’l Symp., 85-86, Fajardo, Oct. 2016.        Google Scholar

24. Uyama, K., S. Nishimura, H. Deguchi, and M. Tsuji, "Transmission characteristics of CRLH rectangular waveguides constructed by the cutoff modes of TM and TE waves," 2016 ICEAA Intern’l Conf., 728-731, Cairns, Australia, Sep. 2016.        Google Scholar

25. Mukainoge, Y., H. Deguchi, and M. Tsuji, "An optimized design method of composite right/left handed transmission lines considering higher-order mode interaction by genetic algorithm," 2014 IEEE Intern. Workshop on Electromagnetics, 78-79, Aug. 2014.        Google Scholar