Photox Optical Systems

Bismuth Silicon Oxide

BSO (Bi12SiO20)

BSO is a pale yellow, photoconductive electro-optic crystal which has found increasingly wide application including Pockels Readout Optical Memory (PROM), thin film optical waveguides, Photorefraction and Phase Conjugation.

Melting point 895ºC
Symmetry I23
Direction of growth <100>, <110>
Ks2% 0.62
Acoustic velocity 1622 m/s
Transmission range 450-7500 nm
Refractive index at 632.8nm 2.54
Optical homogeneity (1-6.4)x10-5/cm
Electro optic coefficient g41= 5 x 10-12 m/V
Dielectric constant 56
Specific gravity 9.2 gcm-3

Not soluble in water or organic solvents.