BBO has significant advantages over other materials in terms of laser power handling ability, temperature stability, and substantial freedom from piezoelectric ringing. Over the past decade BBO has become the material of choice for high power high repetition rate Pockels cells at a very wide wavelength range from 200 nm to 2500 nm.
Investigation of BBO as a Q-Switch for High-Power Applications
| Model | Name | wavelength | attr_size | aperture | Price | Availability | Action |
| EOB3150-AR1064 | BBO crystal for E-O application, z-cut, size 3x3x15mm, z-faces AR coated @ 1064nm, x-faces Au coated for electrodes | 1064nm | 3x3x15mm | 3x3x15mm | Ask | Out Of Stock | |
| EOB3180-AR1064 | BBO crystal for E-O application, z-cut, size 3x3x18mm, z-faces AR coated @ 1064nm, x-faces Au coated for electrodes | 1064nm | 3x3x18mm | Ask | |||
| EOB3200-AR1064 | BBO crystal for E-O application, z-cut, size 3x3x20mm, z-faces AR coated @ 1064nm, x-faces Au coated for electrodes | 1064nm | 3x3x20mm | Ask | |||
| EOB3250-AR1064 | BBO crystal for E-O application, z-cut, size 3x3x25mm, z-faces AR coated @ 1064nm, x-faces Au coated for electrodes | 1064nm | 3x3x25mm | USD$1,499.00 | Out Of Stock | ||
| EOB4250-AR1064 | BBO crystal for E-O application, z-cut, size 4x4x25mm, z-faces AR coated @ 1064nm, x-faces Au coated for electrodes | 1064nm | 4x4x25mm | Ask | Out Of Stock | ||
| EOB6250-AR1064 | BBO crystal for E-O application, z-cut, size 6x6x25mm, z-faces AR coated @ 1064nm, x-faces Au coated for electrodes | 1064nm | 6x6x25mm | Ask | Out Of Stock |
Structural and Physical Properties:
| Crystal Structure | Trigonal, space group R3c, Point group 3m |
| Cell Parameters | a = b = 12.532 Å, c = 12.717Å, Z = 6 |
| Melting Point | 1095 °C |
| Transition Temperature | 925 °C |
| Mohs Hardness | 4 |
| Density | 3.85 g/cm3 |
| Specific Heat | 1.91 J/cm3 x K |
| Hygroscopic Susceptibility | Low |
| Thermal Expansion Coefficients | a, 4 x 10-6 /K; c, 36 x 10-6 /K |
| Thermal Conductivity | ⊥c, 1.2 W/m/K; //c, 1.6 W/m/K |
Linear Optical Properties:
| Transparency Range | 189-3500 nm |
| Optical Homogeneity | δn ~ 10-6 /cm |
| Absorption Coefficient | < 0.1% /cm (at 1064 nm) |
| Sellmeier Equations (λ in µm) |
no2=2.7359+0.01878/(λ2-0.01822)-0.01354λ2 ne2=2.3753+0.01224/(λ2-0.01667)-0.01516λ2 |
|
Refractive Indices |
no = 1.6545, ne = 1.5392 no = 1.6606, ne = 1.5444 no = 1.6742, ne = 1.5547 no = 1.6930, ne = 1.5679 no = 1.7585, ne = 1.6126 |
| Thermo-optic Coefficients | dno/dT = -9.3 x 10-6 /°C dne/dT = -16.6 x 10-6 /°C |
Nonlinear Optical Properties:
| Phase-matchable SH Wavelengths: | 189 - 1750 nm |
| NLO Coefficients | d11 = 5.8 x d36(KDP) d31 = 0.05 x d11 d22 < 0.05 x d11 |
| Effective Nonlinearity Expressions | dooe= d31 sinθ +(d11 cos3φ - d22 sin3φ) cosθ deoe= (d11 sin3φ + d22 cos3φ) cos2θ |
| Electro-optic Coefficients | γ11 = 2.7 pm/V, γ22, γ31 < 0.1 γ11 |
| Half-wave Voltage | 48 kV (at 1064 nm) |
| Damage Threshold (Bulk) at 1064 nm at 532 nm |
5 GW/cm2 (10 ns); 10 GW/cm2 (1.3 ns) 1 GW/cm2 (10 ns); 7 GW/cm2 (250 ps) |
Specifications of BBO EO components:
| Wavefront Distortion: | Less than λ/8 @ 633 nm |
| Dimension Tolerance: | (W+/-0.1 mm) x (H+/-0.1 mm) x (L+0.5/-0.1 mm) |
| Clear Aperture: | > 90% central area |
| Flatness: | λ/8 @ 633 nm |
| Surface Quality: | Scratch/Dig 10/5 per MIL-O-13830A |
| Parallelism: | better than 20 arc seconds |
| Perpendicularity: | 5 arc minutes |
| Angle Tolerance: | Δθ < 0.5o, Δφ < 0.5o |
Coatings:
Uncoated crystals or crystals with high quality AR coatings are available upon request.
AR Coatings: R < 0.2% at the central wavelength,
Broadband AR: R < 1% over the specified range.
Half Wavelength Votages:
| Part No. | Description | Vπ (kV) |
| EOB3150-AR1064 | BBO crystal for E-O application, z-cut, size 3x3x15 mm, z-faces AR coated @ 1064 nm,x-faces Au coated for electrodes | 4.4 |
| EOB3180-AR1064 | BBO crystal for E-O application, z-cut, size 3x3x18 mm, z-faces AR coated @ 1064 nm, x-faces Au coated for electrodes | 3.6 |
| EOB3200-AR1064 | BBO crystal for E-O application, z-cut, size 3x3x20 mm, z-faces AR coated @ 1064 nm, x-faces Au coated for electrodes | 3.3 |
| EOB3250-AR1064 | BBO crystal for E-O application, z-cut, size 3x3x25 mm, z-faces AR coated @ 1064 nm, x-faces Au coated for electrodes | 2.6 |
| EOB4250-AR1064 | BBO crystal for E-O application, z-cut, size 4x4x25 mm, z-faces AR coated @ 1064 nm, x-faces Au coated for electrodes | 3.5 |
| EOB6250-AR1064 | BBO crystal for E-O application, z-cut, size 6x6x25 mm, z-faces AR coated @ 1064nm, x-faces Au coated for electrodes | 5.2 |