GAGG Crystals

GAGG Crystals

GAGG(Ce) (Gadolinium Aluminum Gallium Garnet doped with Cerium) is an advanced scintillator material with outstanding properties. As one of the brightest scintillators, GAGG(Ce) features an emission peak at 520 nm, which aligns well with Photo Diodes (PD) and Silicon Photomultipliers (SiPM). It boasts excellent radiation resistance, moisture durability, and mechanical ruggedness, making it suitable for a wide range of applications. Additionally, GAGG(Ce) crystals offer superior non-self-radiant radiation resolution, further enhancing their performance in various detection and imaging systems.

 

Property:

Properties	Value	Unit
Density	6.6	g/cm3
Effective atomic number	54
Hardness (Mho)	8	Mohs
Refractive index	1.9
Decay Constant(ns)	41	ns
Emission wavelength max(nm)	530	nm
Radiation Resistance	＞107	rad
Radiation length	1.10	cm
Photoyield	55	Photon/Mev
Hygroscopic	无

 

Main Advantages:

1. High Brightness

Advantage: GAGG(Ce) is one of the brightest scintillators available.

Benefit: This high light yield enhances the sensitivity and accuracy of radiation detection and imaging systems.

2. Optimal Emission Wavelength

Advantage: The emission peak of GAGG(Ce) is at 520 nm.

Benefit: This wavelength matches well with the detection capabilities of Photo Diodes (PD) and Silicon Photomultipliers (SiPM), improving compatibility and efficiency in photon detection.

3. Excellent Radiation Resistance

Advantage: GAGG(Ce) exhibits strong resistance to radiation damage.

Benefit: This property ensures long-term stability and reliability in high-radiation environments, making it ideal for applications in high-energy physics and medical imaging.

4. Durability Against Moisture

Advantage: GAGG(Ce) is highly durable and resistant to moisture.

Benefit: This makes it suitable for use in various environments without the need for special handling or protection against humidity.

5. Mechanical Ruggedness

Advantage: GAGG(Ce) crystals are mechanically robust and durable.

Benefit: Their ruggedness allows for easy handling and integration into devices, ensuring reliable performance in demanding conditions.

6. Good Non-Self-Radiant Radiation Resolution

Advantage: GAGG(Ce) provides excellent non-self-radiant radiation resolution.

Benefit: This enhances the accuracy and clarity of radiation measurements and imaging, making it valuable for precise analytical applications.

 Applications:

1. Medical Imaging

Positron Emission Tomography (PET): GAGG(Ce) crystals enhance PET scanners with their high brightness and excellent energy resolution, improving image quality and diagnostic accuracy.

Gamma Cameras: Utilized in nuclear medicine for imaging gamma radiation, providing detailed and high-resolution diagnostic images.

2. High-Energy Physics

Particle Detectors: Employed in high-energy physics experiments to measure the energy and identify particles with high precision, leveraging their high light output and radiation resistance.

Calorimeters: Used to measure the energy of high-energy particles in particle physics experiments.

3. Spectroscopy

Gamma-Ray Spectroscopy: GAGG(Ce) crystals are used in spectroscopy applications for precise gamma-ray energy measurement, aiding in the analysis of radioactive sources and material characterization.

Compton Suppression Spectrometers: Improve the accuracy of gamma-ray spectroscopy by reducing background noise and enhancing signal clarity.

4. Environmental Monitoring

Radiation Detection: Used in detectors for monitoring environmental radiation levels, ensuring safety and compliance with regulatory standards. Their resistance to radiation damage makes them suitable for long-term monitoring.

5. Security and Defense

Radiation Detection Systems: Employed in security applications to detect and identify radioactive materials. The high brightness and durability of GAGG(Ce) crystals make them effective for screening and threat detection.

6. Oil and Gas Exploration

Well Logging: GAGG(Ce) crystals are used in downhole logging tools to measure gamma radiation and assess geological formations, aiding in the exploration and extraction of oil and gas.

7. Scientific Research

Experimental Research: Used in various scientific experiments and research setups to study scintillation properties and develop new technologies, benefiting from their high performance and precision.

8. Industrial Inspection

Nondestructive Testing (NDT): Utilized in industrial scanning systems to inspect materials and structures without causing damage. GAGG(Ce) crystals’ high light output and resolution enhance the accuracy of inspections.