Experimental Realization of an Epsilon-Near-Zero Graded-Index Metalens at Terahertz Frequencies

Publication information:

V. Pacheco-Peña, N. Engheta, S. Kuznetsov, A. Gentselev, and M. Beruete,
“Experimental Realization of an Epsilon-Near-Zero Graded-Index Metalens at Terahertz Frequencies”, Physical Review Applied, vol. 8, no. 034036, 2017.