Ultrathin entirely flat Umklapp lenses

Chaplain, GJ; Craster, RV

Chaplain, GJ (corresponding author), Imperial Coll London, Dept Math, London SW7 2AZ, England.

PHYSICAL REVIEW B, 2020; 101 (15):

Abstract

We design ultra-thin, entirely flat, dielectric lenses using crystal momentum transfer, so-called Umklapp processes, achieving the required wave contr......

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