ANHUI CRYSTRO CRYSTAL MATERIALS Co., Ltd.
ANHUI CRYSTRO CRYSTAL MATERIALS CO., LTD. INNOVATOR FOR MAGNETO OPTICAL CRYSTALS
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High Quality Cerium Doped Gadolinium Aluminium Ce:Gallium Garnet GAGG Crystal
GAGG:Ce (Cerium-doped Gadolinium Aluminium Gallium Garnet) is a promising new scintillator crystal. A wide array of interesting features, such as high light output, fast decay times, almost non-existent intrinsic background and robustness, make GAGG:Ce an interesting candidate as a component of new space-based gamma-ray detectors. As a consequence of its novelty, literature on GAGG:Ce is still lacking on points crucial to its applicability in space missions. In particular, GAGG:Ce is characterized by unusually high and long-lasting delayed luminescence.
Main Advantages:
1. Relatively bright – emitting >50,000 photons/MeV
2. Good absorbers with good stopping powers - density 6.63 g/cm³
3. Broadly emitting with a 540nm peak
4. Good Energy resolution
Main Applications:
γ-ray detection
X-ray medical imaging
Nuclear physics
Nuclear radiation detection
PET
Main Properties:
| Properties | Units |
| Wavelength (Max. Emission) | 520 nm |
| Wavelength Range | 475 - 800 nm |
| Decay Time | 50 - 150 ns |
| Light Yield | 40 - 60 photons/keV |
| Refractive Index | 1.9 @540nm |
| Density | 6.63 g/cm³ |
| Atomic Number (Effective) | 54.4 |
| Melting Point | 1850 ºC |
| Thermal Expansion Coeff. | TBA x 10‾⁶ C⁻¹ |
| Hardness | 8 Mhos |
Specifications:
| Chamfer | <0.2×45° |
| Orientation Tolerance | < 0.5° |
| Thickness/Diameter Tolerance | ±0.05 mm |
| Clear Aperture | >90% |
| Wavefront Distortion | dia 70mm |
| Surface Quality | 10/5 (Scratch/Dig) |
| Parallel | 10″ |
| Perpendicular | 5′ |
