β-Barium borate (BBO) is a very superior nonlinear crystal, which has a large phase matching range and a wide transmittance band, achieve a wide band of phase matching, its second harmonic conversion efficiency is relatively high, the nonlinear coefficient is large, and it has a high laser damage threshold and good optical uniformity Therefore, it is widely used in various nonlinear optical systems.
Advantages:
• Extremely superior physical and mechanical properties
• Wide wavelength range of phase matching achievable (410-3500nm)• Wide transmission range (190-3500nm)
• High frequency conversion efficiency (6 times of KDP)
• Wide temperature reception angle (5°)
• High damage threshold
• Good optical uniformity
Reference indicators
Caliber | Max 25X25mm，min 2X2mm |
Tolerance | ± 0.1mm |
Parallel | ≤20 arc seconds |
Verticality | ≤5 arc minutes |
Smoothness | 10月20日 |
Flatness | λ/10 @ 633 nm |
Angle tolerance | Δθ≤0.25°, Δφ≤0.25° |
Chamfer | ≤0.2mmx45° |
Burst the edge | ≤0.1mm |
Damage threshold | > 800MW/cm2 at 10Hz |
Common wavelengths | 180-3500nm |
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