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Help CenterBGO Scintillation Crystal
Product Spotlights
High energy resolution
Rapid decay rate
High refractive index
Large nonlinear coefficient
Physical and chemical properties are stable;
Excellent machinability;
Stable physicochemical properties
Good machinability
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Introduction:
Bismuth germanate crystal (chemical formula: Bi₁₂GeO₂₀, abbreviated as BGO) is a colorless,
transparent, nonpolar oxide crystal with a cubic structure. When excited by high-energy particles or
high-energy radiation (X-rays, γ-rays), it emits broad-peak green fluorescence with a peak wavelength
of 480 nm. It offers advantages such as high density, high energy resolution, large refractive index,
excellent non-hygroscopicity, stable physical and chemical properties, and high mechanical strength.
These characteristics make it an ideal material for applications in high-energy physics, nuclear physics,
space physics, nuclear medicine, and geological detection. It has been extensively used in the
positron-electron collider at CERN and the dark matter particle detection satellite "Wukong."
BGO crystals exhibit third-order and fifth-order nonlinear absorption responses in the visible and infrared
bands, respectively. Due to its large nonlinear coefficient, BGO crystals possess unparalleled performance
compared to traditional nonlinear optical crystals. Furthermore, as a typical photorefractive crystal, BGO
finds extensive applications in optoelectronics and laser physics, such as four-wave mixing and optical switching.
Features and Applications
| Features | Applications |
|---|---|
| High density | X-ray and electron imaging |
| High light yield | Gamma ray detection |
| Fast decay rate | CT |
| Excellent radiation resistance | PET |
| Stable physicochemical properties | Nuclear physics |
| Good machinability | Safety inspection |
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