Intensive vertical orientation Smith–Purcell radiation from the 2D well-array metasurface Zhang, P. ; Wang, L. ; Zhang, Y. ; Aimidula, A. ; Tang, M. Abstract Publication: Optics Express Pub Date: February 2019 DOI: 10.1364/OE.27.003952 Bibcode: 2019OExpr..27.3952Z