GAGG(Ce) Scintillation Crystal
Gadolinium Aluminum Gallium Garnet (GAGG:Ce) is a breakthrough detection material engineered for high-end CT and security equipment. It delivers exceptional light output and a short decay time, paired with a critically low radioactive background.Ultimate Stability: Strictly non-hygroscopic with no cleavage planes, ensuring highly precise processing and assembly.
High Performance: High density for uncompromised radiation detection and high-energy physics applications.
Custom Configurations: Supplying premium standalone GAGG(Ce) crystals, ultra-thin scintillation screens, and custom 2-D arrays.
Product Category:
Scintillation Crystal
Application of GAGG(Ce) Scintillators (GAGG:Ce Scintillators)
- Gamma-ray detection
- X-ray medical imaging
- High energy physics
- Positron Emission Tomography-Computed Tomography(PET-CT)
- Single photon emission computed tomography(SPECT)
Advantages of GAGG(Ce) Scintillators (GAGG:Ce Scintillators)
- High light output
- High energy resolution
- Fast decay time
- No background
- No hygroscopy
The Ability of ATR Crystal
- Maximum Size: ɸ60mm x 200mm
- Available items: monolithic crystal, scintillation screen, pixellated array
Scintillation Screen Design Options of GAGG(Ce) Scintillators (GAGG:Ce Scintillators)
- Freestanding ultra-thin scintillation screen.
- Ultra-thin scintillation screens can be coupled to a substrate with optical adhesives in order to achieve better optical readout.
- Scintillation screens can be inserted into frames(Aluminum or Stainless steel) for easier manipulation.
- We can provide customized marking such as a grid, cross, or scale on the surface of the screen for easier beam visualization.
- We can provide various coating on the surface of the screen upon request, such as reflection coatings(Al, Au, Ag, etc.), AR coating, diffusion painting(TiO2, Al2O3), and conductive coatings(Al, ITO, C).
| Different Types of GAGG(Ce) Scintillators (GAGG:Ce Scintillators) | |||
| Type | Light yield | Decay time | Afterglow |
| High light output type | 54000 photons/keV | <150 ns | ≤0.10%@20ms |
| Low afterglow type | 45000 photons/keV | <70 ns | ≤0.02%@20ms |
| Fast decay time type | 30000 photons/keV | <50 ns | ≤0.10%@20ms |
| Balanced type | 42000 photons/keV | <90 ns | ≤0.10%@20ms |
| Properties of GAGG(Ce) Scintillators (GAGG:Ce Scintillators) | ||||
| Product Type | High light output type | Low afterglow type | Fast decay time type | Balanced type |
| Scintillation decay time (ns) | ＜150 | ＜70 | ＜50 | ＜90 |
| Emission peak wavelength (nm) | 520 | 520 | 520 | 520 |
| Refractive index (peak wavelength) | 1.9 | 1.9 | 1.9 | 1.9 |
| Density (g/cm3) | 6.6 | 6.6 | 6.6 | 6.6 |
| Light yield (photoelectron /keV) | 54 | 45 | 30 | 42 |
| Energy resolution ( 137Cs) (5x5x5 mm) | 6% | 6% | 7% | 6% |
| Radiation hardness (rad) | 10^5 | 10^5 | 10^5 | 10^5 |
| Crystal structure | Cube | Cube | Cube | Cube |
| Cleavage plane | No | No | No | No |
| Hygroscopic | No | No | No | No |
| Mohs hardness | 8 | 8 | 8 | 8 |
| Afterglow | ≤0.10%@20ms | ≤0.02%@20ms | ≤0.10%@20ms | ≤0.10%@20ms |
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