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High Transmission Germanium Round Infrared Window

High Transmission Germanium Round Infrared Window

The germanium round infrared window provides high transmission from 2.0 to 16 μm, combining a high refractive index with excellent thermal stability for thermal imaging and infrared sensing applications.

  • Material :

    Germanium
  • Dimension Tolerance :

    +0.0 / -0.1 mm
  • Thickness Tolerance :

    ±0.1mm
  • Surface Accuracy :

    λ/4 @ 632.8 nm
  • Parallelism :

    < 1 arc min
  • Surface Quality :

    60-40
  • Clear Aperture :

    > 90%
  • Edge Bevel :

    0.2 × 45°
  • Product Details

 

Product Description

This germanium round window features a precision parallel-plate design for protecting infrared detectors and sensors from external environments. Germanium offers stable transmission in the mid- and long-wave infrared range and demonstrates good resistance to moisture and harsh conditions.

 

Performance Advantages

Broadband infrared window operating from 2.0–16 μm

High refractive index germanium substrate for compact IR optics

Excellent thermal stability and conductivity

Low absorption in IR wavelengths for enhanced imaging performance

Custom coating options available for optimized system integration

 

 

Application Range

The germanium round infrared window is widely used in thermal imaging cameras, infrared imaging systems, spectroscopic instruments, environmental sensors, and IR detection modules requiring reliable infrared transmission and sensor protection.

 

 

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