Ce:YAG Crystal by HG Optronics
Ce:YAG is a fast scintillator with excellent mechanical and chemical resistance. Ce:YAG scintillation detectors are preferred for electron microscopy, beta and X-ray counting, as well as for electron and X-ray imaging screens. The material's mechanical properties enable production of thin screens down to 0.005 mm thick. Does not degrade when bombarded by electrons or ions, thus making Ce:YAG suitable for high current operations. Light emission peaks at about 560nm (yellow) which means that an S20 photomultiplier is most suitable for detecting the emission. Response is better for Ce:YAG than for Planotec P47 discs below 5kV and again at higher accelerating voltages over 100kV, where the performance of powder scintillators falls off while Ce:YAG response increases linearly. Although the signal from Ce:YAG and Ce:YAP is less than the P47, the S/N ratio is better and therefore the final signal is better. Decay time approx. 60 nanoseconds. The side towards the light guide is micro-textured to increase light emission. Can be cleaned (polished) and recoated. Best to coat with 50nm Al to avoid light sensitivity.
- Type Of Crystal: Other
- Crystal Diameter: N/A mm
- Crystal Length: N/A mm
- AR Coating: One side, Both sides, Uncoated
- Dopant Concentration: Ce:( 0.1 ~ 1.2) atm%±0.1%
- Orientation:: <111> or <100]> crystalline within ±05°
- Wavefront Distortion :: l /8 per inch @ 633 nm
- Dimension Tolerances: Rods with diameter: ±0.05 mm , Length: ±0.5 mm
- Barrel Finish:: 50-80 micro-inch (RMS)
- Coating: AR,HR,AI coating are available
It is very suitable for the scintillators of the equipments that taken the photodiode as detectors and the scintillators to detect the light charged particles. At this time, a high coupling efficiency can be achieved. Furthermore, Ce:YAG can also be commonly used as a phosphor in cathode ray tubes and white light-emitting diodes.
Advantage of Ce:YAG crysta：
Higher coupling efficiency with the silicon photodiode detection
Short decay time
Stable physical and chemical property
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