BARIUM FLUORIDE BAF2 CRYSTAL

BARIUM FLUORIDE BAF2 CRYSTAL

PAM XIAMEN offers BARIUM FLUORIDE BAF2 CRYSTAL.

To better serve you, we would like to discuss your specific requirement, Please Contact Us for a quote.
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 Range150 nm to 14 μm
Transmittance>94% at 350 nm to 10.8 μm
Refractive Index1.4624 at 2.58 μm
Refractive Index1.3936 at 10.35 μm
Reflection Loss6.8% at 2.58 μm (both surfaces)
Reflection Loss5.3% at 10.35 μm (both surfaces)
Radiation Length20.6 mm
Residual Radiation Peak47 nm
Emission Peak310 nm slow; 220 nm fast
Decay Constant620 ns slow; 0.6 ns fast
Light Output20% slow; 4% fast
Absorption Coefficient3.2 x 10-4 cm-1 at 6 μm
dn/dT-15.2 x 10-6 /℃
Physical Properties
Density4.89 g/cm3
Melting Point1280℃
Thermal Conductivity11.72 Wm-1K-1 at 286K
Thermal Expansion18.1 x 10-6 /℃ at 273K
Knoop Hardness82 with 500g indenter (kg/mm2)
Specific Heat Capacity410J/(kg.k)
Dielectric Constant7.33 at 1MHz
Youngs Modulus (E)53.07 GPa
Shear Modulus (G)25.4 GPa
Bulk Modulus (K)56.4 GPa
Elastic CoefficientElastic CoefficientElastic Coefficient
Apparent Elastic Limit26.9 MPa (3900 psi)
Poisson Ratio0.343
Chemical Properties
Solubility0.0017 g/ 100g water at 23℃
Molecular Weight175.36
StructureCubic Crystal
Cleavage Plane-111

For more information, please visit our website: https://www.powerwaywafer.com,
send us email at [email protected] and [email protected]

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.

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