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OST Photonics Alpha BBO (α-BBO) Crystals
α-BBO (α-BaB2O4) is a negative uniaxial crystal which has large birefringence over a broad transparent range of 190nm to 3500nm. α-BBO is an excellent crystal especially in UV and high power applications.

The physical, chemical, thermal, and optical properties of Alpha BBO (α-BBO) crystals are similar to those of Beta-BBO. However, there is no second order nonlinear effect in Alpha BBO (α-BBO) crystals due to the centrosymmetry in its crystal structure and thus it has no use for second order nonlinear optical processes. Instead, Alpha BBO (α-BBO) crystals is widely used for fabrication of polarizers, polarizing beam displacers, phase retarders, birefringent plates, and time delay compensators especially those for UV and high power lasers.

Applications of Alpha BBO (α-BBO) Crystals
High power Beam displacers for isolators.
High power Polarizer
Time delay compensators

Advantages of Alpha BBO (α-BBO) Crystals
High UV transmittance
Large birefringence
High damage threshold

Here at OST Photonics, we value integrity, accountability, and punctuality. Our vision is to be the most professional and reliable supplier of crystal products in the world. In the past few years, we have cooperated closely with hundreds of research institutions, laboratories, universities, trading companies, and manufacturers around the world, all our customers are satisfied with our functional crystal and services.