Materials
Infrared substrates, specified like a drawing.
ZnSe is the house specialty. ZnS, silicon and chalcogenide glass run on the same polishing and coating lines — windows through aspheres, φ2 to 400 mm, 0.4–21 µm.
| Material | Band | Diameter | S/D | PV | |
|---|---|---|---|---|---|
| ZnSeZinc Selenide | 0.6 – 21 µm | φ2 – 400 mm | 20 / 10 | λ/8 @ 632.8 nm | View specifications |
| ZnSZinc Sulfide | 0.4 – 12 µm | φ5 – 300 mm | 20 / 10 | λ/8 @ 632.8 nm | View specifications |
| SiSilicon | 1.2 – 7 µm | φ3 – 300 mm | 40 / 20 | λ/8 @ 632.8 nm | View specifications |
| ChGChalcogenide Glass | 1 – 14 µm | φ3 – 260 mm | 40 / 20 | λ/6 @ 632.8 nm | View specifications |
0.6 – 21 µm
ZnSe Zinc Selenide
Our core material. Low-absorption CVD ZnSe for high-energy CO₂ lasers, thermal imaging and broadband infrared systems at 10.6 µm.
View specifications
0.4 – 12 µm
ZnS Zinc Sulfide
Tough, broadband ZnS for windows that must survive the field — IR astronomy, security, automotive night vision and industrial infrared.
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1.2 – 7 µm
Si Silicon
Infrared-grade monocrystalline silicon for MWIR imaging, spectrometers and laser optics — lightweight, stiff and cost-effective.
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1 – 14 µm
ChG Chalcogenide Glass
Moldable, low-dn/dT chalcogenide glasses (IRG / GASIR / IG equivalents) for compact thermal lens assemblies and IR sensing.
View specifications
Transmission windows
One factory, 0.4 to 21 µm
Pick a material by infrared band. Typical design windows overlay a log-scale spectrum from NIR through LWIR.
- ZnSe0.6 – 21 µm
- ZnS0.4 – 12 µm
- Si1.2 – 7 µm
- ChG1 – 14 µm