Barium fluoride is used for optical windows, prisms and lenses transmitting from ultraviolet into infrared, it can be used as an infrared laser window or lens. BaF2 is recommended for use as a vacuum ultraviolet window where high radiation resistance is required. BaF2 is less soluble than LiF, but relatively more soluble than MgF2and CaF2.
Capability:
Material | BaF2 |
Diameter Tolerance | +0.0, -0.2m |
Thickness Tolerance | ±0.1mm |
Parallelism | <3 arc minut |
Surface Quality | 60/40 scratch and dig |
Surface Flatness | 2λ@ 632.8nm |
Clear aperture | >90% |
Note: Custom sizes and coatings are available upon request.