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Contact: ostphotonics
Company: Jiaxing AOSITE Photonics Technology Co.,Ltd.
No. 66, 8 group, Chengbei Village, Yanguan Town, Jiaxing 314411, China
Jiaxing 314411
China
E-Mail: Send Inquiry 1st year
Date/Time:  1/3/24 6:17 GMT
 

BGO Array

BGO (Bi4Ge3O12) bismuth germanate crystal is one of the most common oxide
scintillation materials. It exhibits stable physical and chemical properties,
high mechanical strength, high density, high refractive index, and resistance
to harsh environments. With its high stopping power, high scintillation
efficiency, good energy resolution and non-hygroscopic, BGO is a good
scintillation material for a wide range of applications in high energy physics,
space physics, medicine, geological exploration and other industries.

OST Photonics can manufacture BGO arrays according to our customers’ different
design options in terms of pixel size, the number of pixels, reflector
materials and crystal surface finishes. We offer a variety of design options
and reflector materials to optimize the array performance. Our manufacturing
process can ensure high light output as well as excellent pixel to pixel
uniformity with minimal crosstalk. Furthermore, offset BGO arrays (multilayer
BGO arrays) are also available upon requests.

Applications of BGO Array
 
Positron emission tomography (PET)

High-energy physics

Nuclear medicine

Geological exploration

Gamma-ray spectroscopy

Advantages of BGO Array
 
High Z

Good photopeak to Compton ratio

The scintillator of choice for neutron activation analysis and active Compton
shields

High density

Specifications of BGO Array

Number of pixels: 4x4; 8x8; 16x16; 24x24; 30x30 etc. (customized upon request)

Minimal pixel size: 0.2 mm x 0.2 mm

Reflector Types and Thicknesses of BGO Array

Material Thickness of reflector material + adhesive
BaSO4 ≥0.1 mm
ESR 0.08 mm
E60 0.075 mm
TiO2 ≥0.1 mm

Properties of BGO Crystal

Density [g/cm3] 7.13
Melting point [K] 1323
Thermal expansion coefficient [C-1] 7 x 10-6
Cleavage plane None
Hardness (Mho) 5
Hygroscopic No
The wavelength of emission max. [nm] 480
Refractive index @ emission max 2.15
Primary decay time [ns] 300
Light yield [photons/keVγ] 8-10
Photoelectron yield [% of NaI(Tl)] (for γ-rays) 15–20
Afterglow 0.005%@3ms

Quality Control for BGO Array:

Dimension testing

Relative light output testing

Pixel light output uniformity: ≤10%;≤20%;≤30% or on request

Energy resolution testing

Scatter map.

Minimum Order: 1 pieces

BGO Array
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