Optical windows
Polished diamond windows for selected wavelengths from the ultraviolet through microwave frequencies, engineered to withstand optical power, heat and radiation levels that can damage conventional materials.
- Application range
- UV → RF
- Absorption at 10.6 µm
- < 0.07 cm⁻¹
- Refractive index
- 2.38 at 10.6 µm
- Diameter
- Up to Ø 100 mm
Formats
What we make.
- 01
Laser and IR windows
Round and rectangular windows for CO₂ lasers, thermal imaging and IR spectroscopy.
- 02
Microwave discs
Large, low-loss discs for gyrotrons, plasma systems and high-power microwave lines.
- 03
Thin windows
0.1–0.3 mm plates for X-ray, synchrotron and detector windows.
Production
Made on our own floor.
Specifications
Typical values.
Standard ranges. Tighter tolerances and other configurations are quoted per project; the final specification is confirmed in the quotation.
- Material
- Optical-grade CVD polycrystalline
- Diameter
- Ø 3–100 mm
- Thickness
- 0.1–2.0 mm±0.05 mm
- Absorption at 10.6 µm
- < 0.07 cm⁻¹
- Surface
- Polished both sidesRa < 20 nm
- Parallelism
- < 5 arcmin
- Clear aperture
- ≥ 90 %
- Coating
- UncoatedAR coatings on request
Grades
Recommended grades.
| Grade | Material | Key value | Typical use |
|---|---|---|---|
| Optical | CVD | < 0.07 cm⁻¹ at 10.6 µm | CO₂ laser and IR windows |
Applications
Where optical windows are used.
Have a drawing or a heat problem?
Send your drawing or operating requirements. We’ll review manufacturability, recommend the diamond grade and reply with specifications, lead time and pricing.