Crystal
We could supply many kinds of crystal, such as follows:
NLO crystal, including BBO, BIBO, KDP-DKDP, KTP, LiNbO3 and MgO-LiNbO3, they are usually used to harmonic generation;
Birefringent Crystal, including a-BBO, Calcite and YVO4;
Laser Crystal, including ND-GdVO4, ND-YAG and ND-YV04;
E-O Crystal, LiNbO3 SAW Wafer;
Passive Crystal, Cr4±YAG.