特性
· Ø1/2英寸和Ø1英寸两种尺寸可选
· 未镀膜的波长范围:150 nm - 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150 nm - 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 Refractiona |
|
Index of Refraction at Nd:YAG (1.064 µm)a |
ne = 1.747 no = 1.754 |
Sellmeier Equation, Extraordinarya |
|
Sellmeier Equation, Ordinarya |
|
Abbe Number (Vd), Extraordinary |
72.99 |
Abbe Number (Vd), Ordinary |
72.31 |
Transmission Range |
150 nm - 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 |
Coefficient of Thermal Expansion |
5.3 x 10-6 /°C (Parallel) 4.5 x 10-6 /°C (Perpendicular) |
Heat Capacity |
0.335 J/(g*K) |
Softening Point |
1800 °C |
Change in Index of Refraction with Temperature (@ 0.546 μm) |
13.1 x 10-6/°C |