KBr substrate
Potassium Bromide(KBr) optical window |
|
Crystal structure |
Cubic |
Growth method |
Crystallization method |
Lattice constant |
a=5.596Å |
Density |
2.75(g/cm3) |
Mohs hardness |
2 |
Melting point |
730℃ |
Transmission band |
0.23~25μm |
Refractive index |
1.49025, 1.525 at 10μm |
Thermal Conductivity |
4.816 W/mK @ 319K |
Thermal expansion coefficient |
43×10-6 /°K @ 300K |
Dielectric constant |
4.9 at 1MHz |
Young's modulus |
26.8 GPa |
Deliquescence |
NaCl is a water-soluble crystal, it is easily deliquescent and can not be polished by CMP |
Packing |
100 grade clean bag, 1000 grade clean room |
Standard Specification | |||||
Product Name | Orientation | Standard Size | Thickness | Polishing | |
KBr substrate |
(100) <±2.0° (110) <±2.0° (111) <±2.0° Or other off-angle |
10x10x1.0mm 10x5mm 5x5mm 20x20mm 50x50mm φ1" x 1.0mm φ2" x 3.0mm φ4" x 5.0mm Or others |
1.0mm 2.0mm 3.0mm 5.0mm 10.0mm Or others |
Fine ground Single side polished Double side polished Surface finish: 60/40 or 80/50 Roughness: Ra<100A(10nm) Roughness: Ra<50A(5.0nm) |
Inquiry Online |
Potassium bromide, KBr single crystal having a high transmittance and a wide pass band, and widely used as splitting prism, transmission windows and lens in infrared spectrometer, spectrophotometer and Infrared devices.
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- BIOTAIN CRYSTAL CO., LIMITED
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