← Back to product family
Barium Fluoride (BaF2) Windows SKU: 540-7252
• Useful transmission range covers 0.265-10 µm • Most resistant to high energy radiation among fluorides listed in this catalogue Barium fluoride is used for optical windows, prisms and lenses transmitting from ultraviolet into infrared, it can be used as an infrared laser…
Variant specifications
| Specification | Value |
|---|---|
| Diameter | ø 25.4 mm |
| Thickness | 2 mm |
Shared product specifications
These specifications apply across the Barium Fluoride (BaF2) Windows product family.
Specifications
| Material | BaF₂ |
| Surface quality | 60-40 scratch & dig (MIL-PRF-13830B) |
| Clear aperture | 90% of diameter |
| Diameter tolerance | +0.0 -0.25 mm |
| Thickness tolerance | 0.2 mm |
| Parallelism | 3 arcmin |
| Flatness | 1 λ per inch @ 633 nm |
Physical Properties
| Crystal type | cubic |
| Density, g / cm³ | 4.89 |
| Melting point, °C | 1386 |
| Refractive index @ 0.265 µm | n = 1.51217 |
| Refractive index @ 10.3 µm | n = 1.39636 |
| Transmission band, µm | 0.15-12 |
Classification
| Wavelength | UV|IR |
Product brochures
Shared documentation for the complete product family.