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Crystals |
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Tel:+86-(0)591-87846955 +86-(0)591-87846952 Fax: +86-(0)591-87856157 Address:NO. 67, YangQi Road, JinShan FuWan Industrial Park, Fuzhou, FuJian, 350026, China E-mail: sales@phosctech.com Website: www.phosctech.com |
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BaF2 crystal |
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Introduction:
BaF2 crystal has the following exceptional properties that makes it a very important optic crystal:
(1) High optical transmittance from the ultraviolet to the far-infrared spectrum region(0.18-16μm).
(2) Used for Optical prisms, lenses, wedges, windows, other optical components,and etc.
(3) A scintillator material used in High Energy Physics Experiments.
Specifications:
We produce prisms, lenses, wedges, windows,wedges, and other optical components according to customers’ specifications and drawings:
Size |
Diameter up to 100mm; |
Inclusion |
None visible |
Dimension tolerance |
±0.1mm |
Oriential tolerance |
2 arc minutes |
Angle tolerance |
10 arc minutes |
Scratch/Dig code |
40/20 to MIL-O-13830A |
Parallelism |
20 arc seconds |
Flatness |
λ/5 @ 632.8nm |
Related Technologies
Main properties:
Density
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4.86 g/cm3,at 20°C
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Melting Point
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1354°C
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Molecular Weight
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175.36
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Lattice Constant
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6.196 Å
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Thermal Conductivity
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7.1 W/(m K), at 38°C
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Specific Heat
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456 J/(kg K)
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Thermal Expansion
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16.5 ~ 19.2 ×10–6 / K,± 60°C
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Hardness (Knoop)
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82kg/mm2
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Hardness (Mho)
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3
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Young’s Modulus
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53.05GPa
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Shear Modulus
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25.4GPa
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Bulk Modulus
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56.4GPa
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Dielectric Constant
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7.33,2×106HZ
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Solubility in Water
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0.17 g / 100 g,10℃
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Hygroscopicno
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Crystal Type
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cubic, Class m3m
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Cleavage Planes
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(111)
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Poisson's Ratio
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0.343
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Bandgap
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9.1eV
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Transparency Range
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0.18 ~ 16.0 µm in IR, UV and DUV
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Refractive Index:
Lambda,µm
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0.2
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0.5
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1.0
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3.0
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6.0
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9.0
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12.0
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15.0
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n (Lambda)
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1.5573
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1.4779
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1.4686
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1.4612
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1.4441
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1.4144
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1.3696
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1.3050
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