| Categories | Scintillation crystal |
|---|---|
| MOQ: | 1pc |
| Packaging Details: | Customization |
| Delivery Time: | 15days |
| Payment Terms: | T/T, LC |
| Supply Ability: | 1000pcs |
| Price: | Negotiable |
| Place of Origin: | china |
| Brand Name: | KH-Crystal |
| Certification: | ISO9001 |
Barium fluoride shows good optical transmission over wide spectrum range, which can be used as UV-IR windows in 0.15μm~12.5μm. It also presents excellent scintillation properties, which is widely used in high energy physics, nuclear physics and nuclear medical instruments, and etc.
The emission of BaF2 consists of a fast component with t=0.6ns at 180-240nm and a slow one with 620ns at 310nm. Its luminescence intensity is independent on temperature. It is regarded as the fastest scintillators so far. As the fast component can be used to measure time precisely, and obtain good time resolution, it has been pursued as a promising scintillator in the research of positron annihilation. It shows excellent radiation hardness up to 106 rad or even more. All these properties make barium fluoride crystals as favorable for the applications in nuclear detection involving very high counting rates and severe radiation.
Properties:
Transmission range (μm) | 0.15~12.5 |
Transmittance | ＞90% (0.35~9μm,3mm) |
Refractivity(2.58μm) | 1.4626 |
Reflection Loss at 2.58μm | 6.8%(both faces) |
Radiation length(cm) | 2.06 |
Emission peak (nm) | 310(slow);220(fast) |
Decay constant(ns) | 620(slow);0.6(fast) |
Light output[NaI(TI)=100%] | 20%(slow);4%(fast) |
Knoop hardness (kg/mm2) | 82 with 500g indenter |
Solubility at 23℃(g/100gH2O) | 0.17 |
Cleavage plane | (111) |
Density (g/cm3) | 4.89 |
Melting Point (℃) | 1280 |
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