Research Article

Growth and Characterization of Single Crystalline Bi4Ge3O12 Fibers for Electrooptic High Voltage Sensors

Table 1

Crystal classes (in Hermann-Mauguin notation) without natural birefringence suited for line integration of the electric field.

ClassAxis parallel to light propagationDirection of electrooptical axesMaterials

m fold axis Bi4Ge3O12
Bi4Si3O12ā€‰
ZnTe, ZnSe, GaAs
m fold axis KH2PO4 (KDP)
fold axis NaClO3