Maximization of the optical intra-cavity power of whispering-gallery mode resonators via coupling prism. - Santamaría-Botello GA; García Muñoz LE; Sedlmeir F; Preu S; Segovia-Vargas D; Atia Abdalmalak K; Llorente Romano S; García Lampérez A; Malzer S; Döhler GH; Schwefel HG; Weber HB (Optics express, 2016)