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Pr LuAG Scintillator Crystal

13 Aug 2019

Description

Pr:LuAG Scintillator Crystal— A promising Fast Scintillator used for TOF

Scintillators with high light yield and fast decay are essential in the time-of-flight (TOF) technique for a satisfactory coincidence timing resolution to give precise TOF information. Among garnets, Pr:Lu3Al5O12 was pointed out as a promising fast scintillator already in 2005. Pr:LuAG has a decay time of about 20 ns, which is even shorter than that of Ce:LSO. The light yield of Pr:LuAG is 3 times higher than that of BGO. In addition, Pr:LuAG has a high density of 6.7 g/cm3 which is important of x and g-ray detection, as well as an outstanding energy resolution of 4.6% at 662 keV that is beneficial for gamma ray discrimination. It has been attracting much attention and is presently commercially used in Positron Emission Mammography (PEM).

In application of medical imaging, Pr doped Lu3Al5O12(LuAG), which was first introduced in 2005, has attracted great attention for its good scintillator performance having high density (6.7 g/cm3), fast decay time(~20 ns), high light yield (~0,000 ph/MeV) and excellent energy resolution of 4.6%. Those demonstrated it a competitive scintillator.

Parameter

Chemical formula Pr:Lu3Al5O12
Density (g/cm3) 6.73
Melting point (℃) 2043
Hardness (Mho) 7.5
Hygroscopic No
Cleavage No
Solubility (g/100gH2O) N/A
Thermal conductivity (W/mK) 9.7
Thermal expansion coeff (C-1) 8.8*10-6
Wavelength(Max. emission) (nm) 310
Decay time (ns) 20
Light yield (photons/keV) 22
Light output relative to Nal(Tl) (%) 20
Refractive index 2.03@310nm
Radiation length (cm) 1.41
Optical transmission (um) TBA
Transmittance (%) TBA
Reflection loss/surface (%) TBA
Energy resolution (%) ≤5
Neutron Capture Cross-section (barns) TBA
Afterglow (%) <0.3

Pr-LuAG PL emissionPr-LuAG TLS glow curvePr-LuAG Transmission

Feature

  • High density
  • Fast decay time
  • High light yield
  • Excellent energy resolution

Application

 

CONTACT DETAILS
Nanjing Crylink Photonics Co.,Ltd
No.3, Hengda Road, Economic and Technological Development Zone, Nanjing, China
No.200,Zhaoxian Road,Jiading District,Shanghai City
Nanjing
Jiangsu
210038
China
Tel: (86)025-68790684
Fax: (86)025-68790685
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