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
Category:

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