Frequently Asked Questions

BBO is a negative uniaxial crystal that is used for second-harmonic-generation (SHG), third-harmonic-generation (THG), and frequency-mixing of lasers.

The phase matchable range of BBO crystal is from 409.6 nm to 3500 nm.

The damage threshold of BBO crystal is high, which is 1GW/cm² at 1064nm for 10ns at 10Hz.

BBO crystal is hygroscopic, so it is advised to provide dry conditions for both working and storage of BBO. It is relatively soft and therefore requires precautions to protect its polished surfaces.

BBO crystal is mainly used for fs laser and UV Laser. It is used for SHG, THG, and 4HG of Nd lasers, SHG and THG of Ti:Al2O3 and Alexandrite lasers, SHG of Argon ion, Cu-vapor, and Ruby lasers, OPA and OPO, and Electro-Optical application (Pockels Cell).

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