特性
· Ø1/2英寸和Ø1英寸两种尺寸可选
· 未镀膜的波长范围：150m - 4.5 µm
· 两边可选1.65 µm - 3.0 µm或2.0 µm - 5.0 µm的增透膜
· 在较宽的温度范围上性能稳定
我们的蓝宝石精密窗口片有1/2英寸和1英寸两种直径可选。未镀膜的版本设计用于150m - 4.5 μm范围内的应用，而镀增透膜的版本两边镀有抗反射膜，设计用于1.65 µm - 3.0 µm(-D)或2.0 µm - 5.0 µm(-E1)的范围。
| Sapphire Specifications |
| Index of Refractioa | |
| Index of RefractioaNd:YAG (1.064 µm)a | e = 1.747 o = 1.754 |
| Sellmeier Equation, Extraordinarya | |
| Sellmeier Equation, Ordinarya | |
| Abbe Number (Vd), Extraordinary | 72.99 |
| Abbe Number (Vd), Ordinary | 72.31 |
| TransmissioRange | 150m - 4.5 µm |
| | |
| Density | 3.97 g/cm3 |
| Knoop Hardness | 2000 kg/mm2 |
| Young's Modulus | 335 GPa |
| Shear Modulus | 148.1 GPa |
| Bulk Modulus | 240 GPa |
| Poisson's Ratio | 0.25 |
| Coefficienof Thermal Expansio | 5.3 x 10-6 /°C (Parallel) 4.5 x 10-6 /°C (Perpendicular) |
| HeaCapacity | 0.335 J/(g*K) |
| Softening Poi | 1800 °C |
| Change iIndex of Refraction with Temperature (@ 0.546 μm) | 13.1 x 10-6/°C |
