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Barium Borate (BBO) Crystal offers...
HM2822
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Barium Borate (BBO) Crystal offers excellent optical transmission from 188 nm to 5.2 μm, with optimal performance between 3 μm and 5.2 μm. It is ideal for nonlinear optical applications, including harmonic generation, frequency doubling, and tunable OPOs. Heeger Materials is a professional supplier and manufacturer of high-quality BBO crystal, offering customized solutions and competitive prices.
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Density | 3.85 g/cm³ |
Materials | BBO |
Melting Piont | 1095 ℃ |
Molecular Formula | β-BaB2O4 |
Barium Borate (BBO) Crystal has a broad transmission range from 188 nm to 5.2 μm, with optimal performance between 3 μm and 5.2 μm. Even at thicknesses of several tens of micrometers, it maintains excellent transmission and phase matching. BBO is widely used in nonlinear applications, such as harmonic generation, frequency doubling for Nd-doped lasers, Ti: sapphire laser tripling, and tunable OPOs. It is recognized for having the highest nonlinear optical performance among UV nonlinear crystals.
Dimension Tolerance | (W±0.1 mm) × (H±0.1 mm) × (L+0.5/-0.1 mm) (L≥2.5 mm) |
(W±0.1 mm) × (H±0.1 mm) × (L+0.1/-0.1 mm) (L<2.5 mm) | |
Effective Clear Aperture | 90% Central Area |
Internal Quality | 50 mW green light test, no visible scattering path or center |
Surface Quality | 10/5 per MIL-PRF-13830B standard |
Flatness | ≤λ/8 @ 633 nm |
Transmitted Wavefront Distortion | ≤λ/8 @ 633 nm |
Parallelism | 20″ |
Perpendicularity | 15′ |
Angle Tolerance | ≦0.25° |
Chamfer | ≦0.2 mm×45° |
Edge Chipping | ≦0.1 mm |
Damage Threshold | >1.5 GW/cm² @ 1064 nm, 10 ns, 10 Hz (Polished) |
>1 GW/cm² @ 1064 nm, 10 ns, 10 Hz (AR Coated) | |
>0.3 GW/cm² @ 532 nm, 10 ns, 10 Hz (AR Coated) |
Dimensions (mm) | Length (mm) | Theta | Phi | Coating | Application |
6x6 | 0.1, 0.5, 1 | 29.2° | 90° | P/P@400-800nm | SHG@800nm, Type I |
10x10 | 0.1, 0.5, 1 | 29.2° | 90° | P/P@400-800nm | SHG@800nm, Type I |
6x6 | 0.1, 0.5, 1 | 44.3° | 90° | P/P@400-800/266 nm | THG@800nm, Type I |
10x10 | 0.1, 0.5, 1 | 44.3° | 90° | P/P@400-800/266 nm | THG@800nm, Type I |
6x6 | 0.15, 0.25, 0.55 | 32.5° | 90° | AR/Ar@1030+515/343 nm | THG@1030nm, Type I |
10x10 | 0.5, 1 | 23.4° | 90° | AR/Ar@515+1030 nm | SHG@1030nm, Type I |
Chemical Formula | β-BaB2O4 |
Crystal Structure | Trigonal system, space group R3c |
Unit Cell Parameters | a=b=12.532 Å, c=12.717 Å, Z=6 |
Melting Point | ~1095 °C |
Mohs Hardness | 4 Mohs |
Density | 3.85 g/cm³ |
Thermal Conductivity | 1.2 W/m/K (⊥c); 1.6 W/m/K (∥c) |
Thermal Expansion Coefficient | α₁₁=4×10⁻⁶ /K, α₃₃=36×10⁻⁶ /K |
Transparency Range | 190-3500 nm |
SHG Phase Matching Range | 409.6-3500 nm (Type Ⅰ), 525-3500 nm (Type Ⅱ) |
Thermo-Optic Coefficient | dno/dT=-16.6×10⁻⁶ /°C, dne/dT=-9.3×10⁻⁶ /°C |
Absorption Coefficient | <0.1%/cm @ 1064 nm, <1%/cm @ 532 nm |
Acceptance Angle | 0.8 mrad·cm (θ, TypeⅠ, 1064 SHG) 1.27 mrad·cm (θ, TypeⅡ, 1064 SHG) |
Temperature Bandwidth | 55 °C·cm |
Spectral Acceptance Bandwidth | 1.1 nm·cm |
Walk-off Angle | 2.7° (TypeⅠ, 1064 SHG) 3.2° (TypeⅡ, 1064 SHG) |
Nonlinear Optical Coefficient | deff(Ⅰ)=d₃₁sinθ+(d₁₁cos3Ф-d₂₂sin3Ф)cosθ deff(Ⅱ)=(d₁₁sin3Ф+d₂₂cos3Ф)cos2θ |
Non-Zero Nonlinear Optical Coefficients | d₁₁=5.8×d₃₆(KDP)=2.55 pm/V d₃₁=0.05×d₁₁ d₂₂<0.05×d₁₁ |
Sellmeier Equation | no² = 2.7359 + 0.01878 / (λ² - 0.01822) - 0.01354 λ² ne² = 2.3753 + 0.01224 / (λ² - 0.01667) - 0.01516 λ² |
Electro-Optic Coefficient | γ₂₂=2.7 pm/V |
Half-Wave Voltage | 7 KV (@ 1064 nm, 3×3×20 mm³) |
Resistivity | ˃10¹¹ ohm•cm |
Relative Dielectric Constant | ɛs₁₁/ɛ₀: 6.7 ɛs₃₃/ɛ₀: 8.1 Tanδ<0.001 |
BBO is a negative uniaxial crystal, meaning its ordinary refractive index (no) is greater than its extraordinary refractive index (ne). By angle tuning, both Type I and Type II phase matching can be achieved. The SHG (Second Harmonic Generation) phase matching is shown in the figure below:
Type I BBO Crystal OPO Tuning Curve Type II BBO Crystal OPO Tuning Curve
Barium Borate (BBO) Crystal will be securely packaged in sturdy containers with cushioning materials to prevent movement or damage during shipping. This careful packaging ensures that the product arrives in perfect condition, maintaining its high-quality standards throughout the delivery process.
Heeger Materials Inc., a professional supplier and manufacturer of high-quality Nonlinear Crystals products including Barium Borate (BBO) Crystal, leverages extensive expertise in supply and export to offer competitive prices. We provide customized solutions to meet specific requirements, ensuring exceptional quality and customer satisfaction.
Heeger Materials Inc. was established in 2016 in Colorado, USA. We specialize in premium-grade metals, alloys, ceramics, powders, and other materials catering to research, development, and large-scale industrial production in scientific and industrial sectors.
Nonlinear Crystal Type | BBO, ß-BaB₂O₄ | KTP, KTiOPO₃ | LBO, LiB₃O₅ | BIBO, BiB₃O₆ | CLBO, CsLiB₆O₁₀ |
Transmission Range (nm) | 190-3500 | 350-4500 | 160-2600 | 286-2500 | 180-2750 |
SHG Phase-Matching Range (nm) | 409.6-3500 (Type I) 25-3500 (Type II) | 994-2000 (Type II) | 551-2600 (Type I) 790-2150 (Type II) | 574-2480 | 473-2750 (Type I) 636-2750 (Type II) |
Effective Nonlinear Coefficient deff SHG 1064 nm [pm/V] | 2.14 (Type I) 1.47 (Type II) | 4.03 (Type II) | 0.82 (Type I) | 3.34 | 0.9 (Type I, 4HG) 1.19 (Type I, 5HG) 0.95 (Type II) |
Absorption Coefficient [%/cm] | <0.1@1064nm <1@532nm | <0.1@1064nm <1@532nm | <0.1@1064nm <0.3@532nm | <0.1@1064nm | <0.03@1064nm <0.1@532nm |
Acceptance Angle SHG 1064 nm [mrad/cm] | 0.8 (Type I) 1.27 (Type II) | 14.2 (φ) 55.3 (θ) | 6.54 (Type I) 15.27 (Type II) | 1.03 (ee-o) | 0.45 (Type I, 4HG) 0.42 (Type I, 5HG) 1.90 (Type II) |
Walk-off Angle SHG 1064 nm [mrad] | 55.6 (Type I) 69.4 (Type II) | 4.87 (Type II) | 6.7 (Type I) 6.4 (Type II) | 24.5 (Type I) | 7.85 (Type I, 4HG) 7.33 (Type I, 5HG) 33.1 (Type II) |
Acceptance Temperature SHG 1064 nm [°C/cm] | 70 | 24 | 6.7 (Type I) 7.5 (Type II) | 2.17 | 8.30 (Type I, 4HG) 4.60 (Type I, 5HG) 43.1 (Type II) |
Acceptance Spectrum | 1.1 | 0.56 | 1.0 (Type I) 1.3 (Type II) | 0.96 (ee-o) | 0.13 (Type I, 4HG) 0.16 (Type I, 5HG) 5.60 (Type II) |
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