Accina offers single crystals of lithium 
niobate using the Czochralski process. 
They are used in laser frequency 
doubling, nonlinear optics, Pockels cells, 
optical parametric oscillators, Q-switching 
devices for lasers, other acousto-optic 
devices, optical switches for gigahertz 
frequencies, etc. It is an excellent 
material for manufacture of optical 
waveguides