Customized Infrared Optics Barium Fluoride Subsrate for Optical Scintillation Applications
Barium Fluoride boasts high transmission from 200nm to 14um and as such is used for instrumentation windows, lenses and other components.
Barium Fluoride's properties make it ideal for scintillation applications where it is utilised in x-ray, 511 keV gamma photon and other high energy particle detection.
Whilst BaF2 is the most resistant of the optical fluorides to high-energy radiation, it degrades in moisture and is susceptible to thermal shock, so care must be taken in systems intended for harsh environments.
BonTek provides optical BaF2 material in single-crystal optical quality, fabricated to order.
| Substance | Form | Diameter Range | Thickness Range | Transmission Range (µm) | Surface Finish |
| Barium Fluoride | Single Crystal | 5mm - 200mm | 1mm - 50mm | 0.15 - 14.00 | Fine Ground / Optical Polish |
Material Properties
| Transmission Range | 0.20 - 14.0 microns |
| Internal Transmission | >99% @ 0.4 to 9.0µm |
| Refractive Index Homogeneity | 1.4759 @ ne |
| Reflection Loss | % @ 3.0µm (2 surfaces) |
| Cleavage Plane | <111> |
| Density | 4.89 gm/cc |
| Melting Point | 1368°C |
| Hydroscopic | Slightly |
| Solubility | 1.7gm/kg water @ 25°C |
| Knopp Hardness | 82.0 Knoop |
| Crystal Structure | Cubic <111> cleavage plane |
| Absorption Coefficient | 3.2 x 10-4 @ 6µm |
| Thermal Expansion Coefficient | 18.1 x 10-6 |
Acceptance Check
1. The product is fragile. We have adequately packed it and labeled it fragile. We deliver through excellent domestic and international express companies to ensure transportation quality.
2. After receiving the goods, please handle with care and check whether the outer carton is in good condition. Carefully open the outer carton and check whether the packing boxes are in alignment. Take a picture before you take them out.
3. Please open the vacuum package in a clean room when the products are to be applied.
4. If the products are found damaged during courier, please take a picture or record a video immediately. DO NOT take the damaged products out of the packaging box! Contact us immediately and we will solve the problem well.
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