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Jiaxing AOSITE Photonics Technology Co.,Ltd.
bgo crystal array
bgo crystal array
bgo array

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

Contact Us
Welcome your presence, you can send us an email, we will get in touch with you within 24 hours.
Head Office: No. 66, 8 Group, Chengbei Village, Yanguan Town, Jiaxing 314411, China;

Hangzhou Branch: Room 1012, Chunhua Bussiness Center, No. 159, Hangbo Street, Shangcheng District, Hangzhou 310009, Zhejiang, China
Head Office: No. 66, 8 Group, Chengbei Village, Yanguan Town, Jiaxing 314411, China;

Hangzhou Branch: Room 1012, Chunhua Bussiness Center, No. 159, Hangbo Street, Shangcheng District, Hangzhou 310009, Zhejiang, China
sales@ostphotonics.com; info@ostphotonics.com +86-0571-86780460