摘要 |
A non-linear optical crystal of a compound having the general formula D<SUB>x</SUB>M<SUB>1-x</SUB>TOZO<SUB>4</SUB>, including isomorphs thereof, where: D is a dopant which comprises one or both of Rb and Cs; M is selected from one or both of K and Ag; T comprises one or more of Ti, Sn and Ge, optionally together with one or both of Nb and Ta; Z is selected from one or both of P and As, optionally together with one or both of Ge and Si; and 0<x<=0.1. |