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beta barium borate (BaB2O4, BBO) crystal / non-linear optical / laser

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beta barium borate (BaB2O4, BBO) crystal beta barium borate (BaB2O4, BBO) crystal - 4-BBO


  • Crystal type:

    beta barium borate (BaB2O4, BBO)

  • Technical characteristics:

    non-linear optical

  • Use:



Orientation accuracy of cut angle <30 arcmin
Dimensional tolerances +0/-0.1 mm
Length tolerance ±0.1 mm
Transparency range 189 – 3500 nm
Surface quality 20-10 S-D after coating
Wavefront distortion <λ/8 @ 632.8 nm
Parallelism error <20 arcsec
Perpendicularity <5 arcmin
Protective chamfers <0.1 mm x 45°

Features of nonlinear BBO crystal includes wide transparency and phase matching ranges, large non-linear coefficient, high damage threshold and excellent optical homogeneity. Therefore, BBO provides an attractive solution for various non-linear optical applications like OPO, OPA, OPCPA and other. As a result of large thermal acceptance bandwidth, high damage threshold and small absorption BBO well suits for frequency conversion of high peak or average power laser radiation. The large spectral transmission range as well as phase matching, especially in UV range, makes BBO perfectly suitable for frequency doubling of Dye, Arion and Copper vapour laser radiation, effective cascade harmonic generation (Frequency doublers, triplers, parametric amplifiers and wave mixers) of wide spread Nd:YAG as well as of Ti:Sapphire and Alexandrite laser radiation. Both angle tuned Type 1 (oo-e) and Type 2 (eo-e) of phase matching can be obtained increasing a number of advantages for different applications.