BBO (a -BaB 2 O 4) is a negative crystal at high temperatures. It exhibits high birefringence over a wide transparent range of 189 nm to 3500 nm. The physical, chemical, thermal, and optical properties of the a-BBO crystal are comparable to those of the b-BBO crystal. However, due to the centric symmetry of its crystal structure, the a-BBO crystal’s nonlinear optical properties are lost. It is not advised to use it for NLO processes.
Due to its unique UV transparency, good mechanical properties, and high damage threshold, a -BBO is an excellent crystal to replace Calcite, TiO 2, and LiNbO 3, among others, in Glan-Taylor and Glan-Thompson polarizers as well as walk-off beam splitters. Astar manufactures and supplies Glan-Laser, Glan-Taylor, Glan-Thompson Polarizers, and other beam displacers made from high quality a -BBO crystals to replace Calcite in a wide range of applications, particularly UV and high power operations.
A-Star also has many stock BBO crystals sales.
We can make as thin as 0.005 mm with a 1 mm FS substrate.
A-Star Photonics guaranteed 10 workdays rapid delivery for most dimensions.
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