“N-SF11重火石玻璃高精度窗口片”参数说明 型号: N-SF1 规格: 420 nm - 2.3 μm 商标: 一博 包装: 纸箱 Heat Capacity: 0.710 J/(g*K) “N-SF11重火石玻璃高精度窗口片”详细介绍 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 ,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 Refraction at d-Line (587.6 nm)a 1.785 Abbe Number (Vd) 25.68 Transmission Range 420 nm - 2.3 µm 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