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Beta Barium Borate – BBO Crystals SKU: BBO-801H
Beta Barium Borate (BBO) is a nonlinear optical crystal with a combination of unique features: • Wide transparency region • Broad phase-matching range • Large nonlinear coefficient • High damage threshold • Wide thermal acceptance bandwidth • High optical homogeneity …
Variant specifications
| Specification | Value |
|---|---|
| Aperture | 8x8 mm |
| Thickness | 0.1 mm |
| θ | 29.2 |
| φ | 90 |
| Coating | P/P@400-800 nm |
Shared product specifications
These specifications apply across the Beta Barium Borate – BBO Crystals product family.
PHYSICAL AND OPTICAL PROPERTIES
| Chemical formula | BaB₂O₄ |
| Crystal structure | trigonal, 3m |
| Optical symmetry | Negative Uniaxial (no>ne) |
| Space group | R3c |
| Density | 3.85 g / cm³ |
| Mohs hardness | 5 |
| Optical homogeneity | ∂n = 10⁻⁶ cm⁻¹ |
| Transparency region at “0” transmittance level | 189 – 3500 nm |
| Linear absorption coefficient at 1064 nm | < 0.1% cm⁻¹ |
| Refractive indices | no ne |
| at 1064 nm / at 532 nm / at 355 nm / at 266 nm / at 213 nm | 1.6551 1.5426 / 1.6750 1.5555 / 1.7055 1.5775 / 1.7571 1.6139 / 1.8465 1.6742 |
| Sellmeier equations (λ, μm) | no² = 2.7366122 + 0.0185720 / (λ² – 0.0178746) / – 0.0143756 λ² / ne² = 2.3698703 + 0.0128445 / (λ² – 0.0153064) / – 0.0029129 λ² |
| Phase matching range Type 1 SHG | 410 – 3300 nm |
| Phase matching range Type 2 SHG | 530 – 3300 nm |
| Walk-off angle | 55.9 mrad (Type 1 SHG 1064 nm) |
| Angular acceptance | 1.2 mrad × cm (Type 1 SHG 1064 nm) |
| Thermal acceptance | 70 K × cm (Type 1 SHG 1064 nm) |
| Nonlinearity coefficients | d₂₂ = ± 2.2 pm / V / d₁₅ = d₃₁ = ± 0.08 pm / V |
| Effective nonlinearity expressions | dooe = d₃₁ sinθ – d₂₂ cosθ sin3φ / deoe = doee = d₂₂ cos2θ cos3φ |
| Thermal expansion coefficient | α₁₁ = 4 × 10⁻⁶K⁻¹ / α₃₃ = 36 × 10⁻⁶K⁻¹ |
| Damage threshold for TEM₀₀ 1064 nm | > 0.5 GW / cm² at 10 ns / ~ 50 GW / cm² at 1 ps |
STANDARD SPECIFICATIONS
| Flatness | λ / 8 @ 633 nm |
| Parallelism | < 20 arcsec |
| Perpendicularity | < 5 arcmin |
| Angle tolerance | < 30 arcmin |
| Aperture tolerance | ± 0.1 mm |
| Surface quality | 10 / 5 scratch & dig per MIL-O-13830A |
| Clear aperture | 90% of full aperture |
Product brochures
Shared documentation for the complete product family.