N-SF11光学基底
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产品名称：N-SF11光学基底
产品型号：QXNSF
产品品牌：QX
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N-SF11是符合RoHS的重火石玻璃，它在420 nm到2.3 µm波长范围是透明的。这种玻璃比N-BK7散射更高，但其它属性差不多。它的折射率高、阿贝数低、散射功率高，非常适合在可见光范围内要求高散射的应用。它在587.6 nm处的折射率是1.785。
N-SF11 Specifications | |
Index of Refractiona | |
Index of Refraction at d-Line (587.6 nm)a | 1.785 |
Sellmeier Equationa | |
Abbe Number (Vd) | 25.68 |
Attenuation Coefficient | |
Transmission Range | 420 nm - 2.3 µm |
Fresnel Reflectance and Transmittance (Calculated) | |
Density | 3.22 g/cm3 |
Knoop Hardness | 615 kg/mm2 |
Young's Modulus | 92 GPa |
Shear Modulus (Calculated Value) | 36.6 GPa |
Bulk Modulus (Calculated Value) | 63.1 GPa |
Poisson's Ratio | 0.257 |
Coefficient of Thermal Expansion | 8.5 x 10-6 /°C |
Heat Capacity | 0.710 J/(g*K) |
Softening Point | 592 °C |
Change in Index of Refraction with Temperature (+20/+40°C @ 1060 nm) | 0.1 x 10-6 /°C |
