Advantage：
1.Fast decay time
2.High light output
3.Excellent energy resolution
4.High count rate
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LaBr3 Scintillator Array
LaBr3:Ce scintillation crystals (Lanthanum Bromide doped with Cerium chloride) which have the light outputs of 1.3~1.7 times as much as that of NaI: TI, and their decay time is 17ns~25ns, only 1/20~1/10 of NaI: TI. Their energy resolutions are better than all other scintillation crystals known. They can be used for almost fields of nuclear radiation detection because of high performances.
Properties:
Density（g/cm3）
4.9
Emission Peak（nm）
380
Light Output (Comparing NaI(Tl)）
130%~170%
Decay Time(ns)
20
Energy Resolution@Cs137 662keV
2.5~3.5%
1. Type: linear array (1D) or 2D array
Our Advantage:
Minimal pixel dimension available
Reduced optical crosstalk
Good uniformity between pixel to pixel/ array to array
TiO2/BaSO4/ESR/E60
Pixel Gap: 0.08, 0.1, 0.2, 0.3mm
Performance testing available2. Kinheng offers various arrays for end application
We can provide CsI(Tl), CsI(Na), CdWO4, LYSO,LSO, YSO, GAGG, BGO,LaBr3 scintillation arrays. Based on the application TiO2/BaSO4/ESR/E60 are wildly used as reflective material for pixel isolation. Our mechanical processing keeps the minimal tolerance to optimize array’s physical properties including tolerance, dimension, minimal-cross talk and uniformity etc..3.Materials' Properties
Properties CsI(Tl) GAGG CdWO4 LYSO LSO BGO GOS(Pr/Tb) Ceramic LaBr3 Density(g/cm3) 4.51 6.6 7.9 7.15 7.3~7.4 7.13 7.34 4.9 Hygroscopic Slightly No No No No No No Yes Relative light output(% of NaI(Tl)) (for γ-rays) 45 158(HL)/ 132(BL)/79(FD) 32 65-75 75 15-20 71/ 118 130-170 Decay time(ns) 1000 150(HL)/ 90(BL)/48(FD) 14000 38-42 40 300 3000/ 600000 20 Afterglow@30ms 0.6-0.8% 0.1-0.2% 0.1-0.2% N/A N/A 0.1-0.2% 0.1-0.2% N/A Array type Linear and 2D Linear and 2D Linear and 2D 2D 2D 2D Linear and 2D 2D
4.Mechanical design for assembling
Based on the end use of assembled array, there are many kinds of mechanic design from Kinheng to meet the medical and security inspection industry.
1D Liner array are mainly used for Security inspection industy, such as Bagger scanner, Aviation scanner, 3D scanner and NDT. Material Including CsI(Tl), GOS:Tb/Pr Film, GAGG:Ce, CdWO4 scintillator etc. They are typically coupled with Silicon Photodiode line array for read out.
2D array are normally used for imaging, including Medical(SPECT, PET, PET-CT, ToF-PET), SEM, Gamma camera. These 2D array are typically coupled with SIPM array, PMT array for read out. Kinheng provide 2D array including LYSO, CsI(Tl), LSO, GAGG, YSO, CsI(Na), BGO,LaBr3 scintillator etc.
Below is kinheng’s typically design drawing for 1D And 2D array for industry.
(Kinheng linear array)
(Kinheng 2D array)
4-A: Important parameter: (A,B,C,D in above design)A.1 Material type: As per request from customer
A.2 Pixel size: Linear array pixel size A,B,C & 2D array pixel size A, C are adjustable per request
A.3 Pitch: Linear array A+B & 2D array B, D are adjustable per request
A.4 GAP: We provided the smallest gap 0.1mm (including adhesive) for linear array and 0.08mm (including adhesive) for 2D array
A.5 Array thickness: As per request. Kinheng provides customization
A.6 Treatment of pixel: Polishing, finely ground or special request available
4-B:Typical Pixel size& numbers
Material Typical pixel size Typical numbers Linear 2D Linear 2D CsI(Tl) 1.275x2.7 1x1mm 1x16 19x19 GAGG 1.275x2.7 0.5x0.5mm 1X16 8x8 CdWO4 1.275x2.7 3x3mm 1x16 8x8 LYSO/LSO/YSO N/A 1X1mm N/A 25x25 BGO N/A 1x1mm N/A 13X13 GOS(Tb/Pr) ceramic 1.275X2.7 1X1mm 1X16 19X19
4-C:Minimal size of Pixel
Material Minimal pixel size Linear 2D CsI(Tl) 0.4mm pitch 0.5mm pitch GAGG 0.4mm pitch 0.2mm pitch CdWO4 0.4mm pitch 1mm pitch LYSO/LSO/YSO N/A 0.2mm pitch BGO N/A 0.2mm pitch GOS(Tb/Pr) ceramic 0.4mm pitch 1mm pitch
5.Scintillation Array Reflector and Adhesive parameter
Reflector Thickness of Reflector+Adhesive Linear 2D TiO2 0.1-1mm 0.1—1mm BaSO4 0.1mm 0.1-0.5mm ESR N/A 0.08mm E60 N/A 0.075mm
6.Scintillation array application
Item name CsI(Tl) GAGG CdWO4 LYSO LSO BGO GOS(Tb/Pr) Ceramic PET, ToF-PET
Yes
Yes Yes
SPECT Yes Yes
CT
Yes Yes Yes Yes NDT Yes Yes Yes
Bagger scanner Yes Yes Yes
Container Checking Yes Yes Yes
Gamma camera Yes Yes
7. Quality control for Array
7-1.Energy resolution testing (Na22)
7-2 .Floods map
7-3.Relative light output testing for linear array
Kinheng has capacity for relative light output comparison testing for LYSO/GAGG with NaI(Tl)by PMT read out.7-4. Uniformity Guarantee
Kinheng will select each single pixel per request, we are able to keep the light output uniformity within ±5%,±10%, ±15% per different requirement. Each slab was carefully selected and tested.
7-5.Internal defects testing
7-6.Physical dimension testing
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CsI(Tl) Scintillator Array
GAGG Scintillator Array
LYSO Scintillator Array
CdWO4 Scintillator Array
BGO Scintillator Array
GOS Scintillator Array, GOS Ceramic array, GOS film array
LSO Scintillator Array
YSO:Ce Scintillator Array
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