[1] Smith D R, Pendry J B, Wiltshire M C K. Metamaterials and negative refractive index[J]. Science, 2004, 305(5685): 788-792.
[2] Zhu Jianfei, Jiang Wei, Liu Yichao, et al. Three-dimensional magnetic cloak working from D.C. to 250 kHz[J]. Nature Communications, 2015, 6: 8931.
[3] Wang Pu, Slipchenko M N, Mitchell J, et al. Far-field imaging of non-fluorescent species with subdiffraction resolution[J]. Nature Photonics, 2013, 7: 449-453.
[4] Tyc T, Zhang Xiang. Forum optics: Perfect lenses in focus[J]. Nature, 2011, 480: 42-43.
[6] Farinelli P, Chiuppesi E, Maggio F D, et al. Development of different K-band MEMS phase shifter designs for satellite COTM terminals[J]. International Journal of Microwave and Wireless Technologies, 2010, 2(3/4): 1868-1871.
[7] Houzet G, Burgnies L, Velu G, et al. Dispersion and loss of ferroelectric Ba0.5Sr0.5TiO3 thin films up to 110 GHz[J]. Applied Physics Letters, 2008, 93: 053507.
[8] Bulja S, Mirshekar-Syahkal D, James R, et al. Measurement of dielectric properties of nematic liquid crystals at millimeter wavelength[J]. IEEE Trans Microwave Theory and Techniques, 2010, 58(12): 3493-3501.
[9] Yang Fuzi, Sambles J R. Resonant transmission of microwaves through a narrow metallic slit[J]. Physical review letters, 2002, 89: 063901.
[10] Yang Fuzi, Sambles J R. Determination of the permittivity of nematic liquid crystals in the microwave region[J]. Liquid Crystals, 2003, 30(5): 599-602.
[11] Ma Shuang, Yang Guohui, Erni D, et al. Liquid crystal leaky-wave antennas with dispersion sensitivity enhancement[J]. IEEE Transactions on Components, Packaging and Manufacturing Technology, 2017, 7(5): 792-801.
[12] Foo S. Liquid-crystal-tunable metasurface antennas[C]//11th European Conference on Antennas and Propagation. 2017: 16900604.
[13] Bildik S, Dieter S, Fritzsch C, et al. Reconfigurable folded reflect array antenna based upon liquid crystal technology[J]. IEEE Trans Antennas and Propagation, 2015, 63(1): 122-132.