| BaF2 Scintillation Crystals - Optical Properties - |
||
|---|---|---|
| Property | Units | Value |
| Wavelength (Max. Emission) |
nm | 310 (Slow) 195/220 (Fast) |
| Wavelength Range | nm | 170 - 460 |
| Decay Times | ns | 630 (Slow) 0.87/0.88 (Fast) |
| Light Yield | photons/keV | 10 (Slow) 1.9 (Fast) |
| Photoelectron Yield | % of NaI(Tl) | 16 (Slow) 3 (Fast) |
| Radiation Length | cm | 2.026 |
| Radiation Length | g.cm-2 | 9.91 |
| Moliere Radius | cm | 3.117 |
| Optical Transmission | µm | 0.15 - 12.5 |
| Transmittance | % | >90 (0.35 - 9µm) |
| Refractive Index | % | 1.49 (9@ 310nm) |
| Reflection Loss/Surface | % | 6.8 |
| BaF2 Scintillation Crystals - Mechanical Properties - |
||
|---|---|---|
| Property | Units | Value |
| Chemical Formula | BaF2 | |
| Density | g/cm³ | 4.893 |
| Atomic Number (Effective) | 52.2 | |
| Crystal Structure | Cubic | |
| Lattice Constant | nm | 0.6196 |
| Melting Point | ºC | 1386 |
| Thermal Expansion Coeff. | C⁻¹ | 18.4 x 10‾⁶ |
| Hardness | Mho | 3 |
| Hygroscopic | Slightly | |
| Solubility | g/100gH₂0 | 0.17 (23ºC) |
| BaF2 Scintillation Crystals - Sizes - |
|
|---|---|
| Diameters: | 140mm max. |
| Lengths: | 150mm max. |
| Thinnest Thickness: | TBA |
