
Infrared Silicon Windows
Silicon (Si) optics are primarily used in the 1.1- 7μm range. Silicon is ideally suited for weight sensitive applications having a Density of 2.329 g/cm3
Silicon is typically used in the 3 – 5μm for Thermal Imaging Systems
- Transmission from 1.1 – 7μm
- Available AR/AR and AR/DLC Coated for 3 – 5μm
- Custom coatings are available on request
Infrared Silicon Windows
Infrared Silicon Windows are high-performance optical components made from silicon, ideal for infrared (IR) applications in the 1.2 to 7 μm wavelength range. They offer excellent transmission, low density, and high thermal stability, making them suitable for IR imaging, laser systems, and sensing applications. Custom sizes and coatings are available to meet specific requirements.
General special
Bevel: | Protective as needed |
Edges: | Fine Ground |
Knoop Hardness (kg/mm2): | 1150 |
Parallelism (arcmin): | <3 |
Poisson’s Ratio: | 0.265 |
Young’s Modulus (GPa): | 140 |
Index of Refraction (nd): | 3.422 @ 5µm |
Substrate: | Silicon (Si) |
Surface Quality: | 60-40 |
Coefficient of Thermal Expansion CTE (10-6/°C): | 2.55 |
Density (g/cm3): | 2.33 |