Protective Windows

The protective window for CoolingJacket Advanced or Outdoor Protective Housing shields infrared imager and pyrometer optics from dust and dirt. Available sizes are 50.8 mm x 3 mm for outdoor housing and 67 mm x 3 mm for air purge laminar systems. Material options include Germanium, Zinc-Sulfide, Silicon, Borofloat, and Sapphire, compatible with various bandwidths including LT, G7, P7, 4M, 05M, 08M, 1M, 2M, 3M, MT, F2, F6, and G5.

General Specifications

• Diameter: 50.8 mm or 67 mm
• Thickness: 3 mm

Materials / Combinations

• Available in the following material versions:
• Germanium – for LT, G7, P7
• Zinc-sulfide – for LT, G7, P7
• Silicon – for 4M
• Borofloat – for 05M, 08M, 1M
• Sapphire – for 05M, 1M, 2M, 3M, MT, F2, F6, G5

Transmission

• Germanium: 0.96 (G7)
• Germanium: 0.92 (LT, P7)
• Zinc-sulfide: 0.93 (G7)
• Zinc-sulfide: 0.92 (LT, P7)
• Borofloat – 0.92 (1M/ 2M/ 3M)

The shown values are typical and may vary between different delivery batches.

Operating Temperature

• Germanium: < 100 °C
• Zinc-sulfide: < 200 °C
• Silicon: < 200 °C
• Borofloat: < 200 °C
• Sapphire: < 200 °C

• Protective window
• O-ring