PAM XIAMEN offers BARIUM FLUORIDE BAF2 CRYSTAL.
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Barium fluoride, BaF2, crystal has good transmittance over a wide spectrum range, from 150 nm to 12.5 um. It has been widely used as windows, lenses, and prisms, particularly for ultaviolet transmittance. The highest quality BaF2 has been used for scintillation crystals.
PAM XIAMEN Supplies offers the following choices:
Customized crystal growth and machining
High quality blank BaF2 crystal materials in discs, plates, rods, customized for customers
High quality BaF2 scintillation crustal
Customized BaF2 optics for IR and VUV applications
BaF2 viewport windows for Infrared thermography from 8 um to 14 um.
Capability:
maximum diameter: 7 inches (180 mm)
Clear aperture: 85%
Surface flatness: λ/4 at 633 nm
Surface quality: 20/10
| Optical Properties | |
| Transmission Range | 150 nm to 14 μm |
| Transmittance | >94% at 350 nm to 10.8 μm |
| Refractive Index | 1.4624 at 2.58 μm |
| Refractive Index | 1.3936 at 10.35 μm |
| Reflection Loss | 6.8% at 2.58 μm (both surfaces) |
| Reflection Loss | 5.3% at 10.35 μm (both surfaces) |
| Radiation Length | 20.6 mm |
| Residual Radiation Peak | 47 nm |
| Emission Peak | 310 nm slow; 220 nm fast |
| Decay Constant | 620 ns slow; 0.6 ns fast |
| Light Output | 20% slow; 4% fast |
| Absorption Coefficient | 3.2 x 10-4 cm-1 at 6 μm |
| dn/dT | -15.2 x 10-6 /℃ |
| Physical Properties | |
| Density | 4.89 g/cm3 |
| Melting Point | 1280℃ |
| Thermal Conductivity | 11.72 Wm-1K-1 at 286K |
| Thermal Expansion | 18.1 x 10-6 /℃ at 273K |
| Knoop Hardness | 82 with 500g indenter (kg/mm2) |
| Specific Heat Capacity | 410J/(kg.k) |
| Dielectric Constant | 7.33 at 1MHz |
| Youngs Modulus (E) | 53.07 GPa |
| Shear Modulus (G) | 25.4 GPa |
| Bulk Modulus (K) | 56.4 GPa |
| Elastic Coefficient | Elastic CoefficientElastic Coefficient |
| Apparent Elastic Limit | 26.9 MPa (3900 psi) |
| Poisson Ratio | 0.343 |
| Chemical Properties | |
| Solubility | 0.0017 g/ 100g water at 23℃ |
| Molecular Weight | 175.36 |
| Structure | Cubic Crystal |
| Cleavage Plane | -111 |
For more information, please visit our website: https://www.powerwaywafer.com,
send us email at sales@powerwaywafer.com and powerwaymaterial@gmail.com
Found in 1990, Xiamen Powerway Advanced Material Co., Ltd (PAM-XIAMEN) is a leading manufacturer of semiconductor material in China.PAM-XIAMEN develops advanced crystal growth and epitaxy technologies, manufacturing processes, engineered substrates and semiconductor devices.PAM-XIAMEN’s technologies enable higher performance and lower cost manufacturing of semiconductor wafer.
Quality is our first priority. PAM-XIAMEN has been ISO9001:2008, owns and shares four modern facories which can provide quite a big range of qualified products to meet different needs of our customers, and every order has to be handled through our rigorous quality system.Test report is provided for each shipment, and each wafer are warranty.