It is used main for ferroelectric , piezoelectricity,electro-optic and nonlinear optical.It is made up the broad frequency band,modulator,high stabeness resonator and band pass filter etc.

• 主要用于铁电、压电、电光和非线性光学，可制作宽频带、调制器、高稳定性谐振器和带通滤玻器等。