BBO | SIMTRUM Photonics Store

BBO(Barium Borate) is a versatile non-linear crystal with various properties such as high broad phase-matching range, wide transmission region between 190-3500nm , large effective second-harmonic-generation(SHG) that is much greater than KDP crystal, and high damage threshold.

The crystal can exist in two forms, the α form and the β form, with the beta phase converting into the alpha phase at ~925°C. Both phases are birefringent. BBO has uses in frequency conversion of laser sources, optical parametric oscillators, and in electro- optical applications from the near IR to the deep UV region. The crystal shown is the β form.

                                                                                         Figure 1                                                                                                                                   Figure 2

                                                                                           Figure 3                                                                                                                                Figure 4

                                                                                                                                                                 Figure 5

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