← Back to product family
Barium Fluoride (BaF2) Lenses SKU: 541-7230
• Useful transmission range covers 0.265-10 µm • Most resistant to high energy radiation among fluorides listed in this catalogue Barium fluoride (BaF₂) is used for optical windows, prisms and lenses transmitting from ultraviolet into infrared, it can be used as infrared laser…
Variant specifications
| Specification | Value |
|---|---|
| Diameter | ø 25.4 mm |
| Focal Length | 300 mm |
| Type | Plano-convex |
Shared product specifications
These specifications apply across the Barium Fluoride (BaF2) Lenses product family.
Specifications
| Material | BaF₂ |
| Surface quality | 60-40 scratch & dig (MIL-PRF-13830B) |
| Clear aperture | 90% of diameter |
| Diameter tolerance | +0.0, -0.5 mm |
| Focal length | +-2%@3 µm |
| Surface irregularity | λ / 4 @ 633 nm |
| Centration | 3 arcmin |
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 range, µm | 0.15-12 |
Classification
| Wavelength | UV|IR |
Product brochures
Shared documentation for the complete product family.