DescriptionHigh temperature form BBO (α-BaB2O4) is an excellent negative uni-axial birefringent crystal. It has large birefringence coefficient and good transmission over a broad range,Website:http://www.meta-laser.com, from 189nm to 3500nm. Unlike ß-BBO, α-BBO is not useful for NLO application due to the centric symmetry with its crystal structure. α-BBO is excellent crystal in Glan Taylor, Glan ...