Windows
ZnSe windows.
Finished plano windows for visible + IR paths. Uncoated working band 0.6–16 µm (factory: visible / NIR to far-IR; KM datasheet plot 2–25 µm at 6.3 mm). AR on request, including 10.6 µm and dual-band with a 633 nm HeNe. Soft. Gloves. Spent windows taken back for disposal.
- Bulk absorption @ 10.6 µm< 0.0005 cm−1 (KM datasheet)
- n @ 10.6 µm2.403
- n inhomogeneity @ 632.8 nm< 3 ppm
- Grain size< 100 µm
- Max sizeDia 800 × 30 mm T
- Typical Dia12.7 · 25.4 mm + custom
- SKU exampleKM-ZnSe-W12.7mmX3.0mm
- AR10.6 · dual-band · LWIR on request
Standard sizes
Typical finished-window diameters. Grade, coating, scratch-dig, clear aperture, wedge and parallelism are quoted to the print.
| Part number | Diameter | Thickness | Grade / coating | Lead | RFQ |
|---|---|---|---|---|---|
| KM-ZnSe-W12.7mmX3.0mm | 12.7 mm | 3.0 mm | Quoted | Quoted | RFQ |
| KM-ZnSe-W25.4mmX3.0mm | 25.4 mm | 3.0 mm | Quoted | Quoted | RFQ |
Laser-grade CO2 windows are quoted against that absorption number — not against color. Full table: KM datasheet.
