High Transmission in the 2–16 µm Range for IR Imaging and Sensing

  • High Infrared Transmission
  • Excellent Surface Quality
  • Durable & Chemically Stable
  • Custom Sizes & Coatings Available
Category:

Our IR Germanium Windows are precision-crafted optical components ideal for infrared applications in the 2–16 μm spectral range. Featuring exceptional transmittance in mid- to long-wave infrared (MWIR to LWIR) bands, they are widely used in thermal imaging, FLIR systems, gas detection, infrared spectroscopy, and military-grade vision systems.

Typical Applications

  • Thermal Imaging Devices

  • Medical IR Diagnostic Systems

  • Gas & Flame Detection Instruments

  • IR Lidar and Remote Sensing

  • Security and Surveillance Optics

  • IR Windows for Harsh Environments

General Specification

Material Germanium (Ge)
Diameter Range 5 mm – 100 mm (custom sizes available)
Thickness 0.5 mm – 10 mm
Surface Quality 40-20 (MIL-PRF standard)
Transmission Range 2 μm – 16 μm
Refractive Index ~4.0 at 10.6 μm
Coating Options Uncoated / AR Coating (3–5 μm or 8–12 μm)
Density 5.33 g/cm³
Hardness (Knoop) 780