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KClmoq :
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Sodium chloride and potassium chloride and potassium bromide single crystal are all transparent, Has a high infrared transmittance, the transmittance greater than 90% when thickness less 10mm and in the range of 4000-500cm-1, no impurity absorption. KCI single crystal as a laser window material, the optical performance is excellent.
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The main performance parameters |
|
|
Crystal structure |
Cubic a=6.291Å |
|
Growth method |
Crystallization method |
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Transmission band |
0.20~27.50um |
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Density |
1.98（g/cm3） |
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Melting point |
770℃ |
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Refractive index |
1.49025 |
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Transmittance |
>90% |
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Nf (Impurity absorption peak) |
0.01114 |
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Deliquescence |
KCl is a water-soluble crystal, it is easily deliquescent and can not be polished by CMP |
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Packing |
Independent vacuum packaging for each piece |
| Standard Specification | |||||
| Product Name | Orientation | Standard Size | Thickness | Polishing | |
| KCl substrate |
(100) <±2.0° (110) <±2.0° (111) <±2.0° Or other off-angle |
10x10x1.0mm 10x5mm 5x5mm 20x20mm φ1" x 1.0mm φ2" x 3.0mm Or others |
1.0mm 2.0mm 3.0mm 5.0mm 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) |
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