Ce LuAG Scintillation Detector

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Ce LuAG Scintillation Crystals

Lutetium aluminum garnet (Ce:LuAG) activated by cerium is a well established scintillating material with the primary advantages of high density (6.73g/cm3) and fast decay (80ns),  which is suitable for thin imaging screens. Besides, Ce:LuAG has a high photon yield and a central emission at 510nm that well matched with photodiode and avalanche diode readout. With very good chemical, mechanical and temperature resistance, Ce:LuAG is also an ideal choice for medical scanning systems and high-energy particle detectors.


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Features  

◆ High density 

◆ Fast decay time

◆ Suited for photodiode and avalanche diode readout

◆ Very good chemical, mechanical and temperature resistance

Applications

◆Computed tomography (CT)

◆Positron emission computed tomography (PET)

◆Single-photon emission computed tomography (SPECT)

◆Particle accelerator

◆Laser & LED lighting

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Luminescence spectra of Ce: LuAG

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Polishing specifications  

Surface flatness

<λ/8 @632nm

Clear Aperture

>90%

Orientation Tolerence

<0.5°

Length/Aperture Tolerance

±0.05 mm

Parallel

10〞

Perpendicular

Surface quality

10/5 (Scratch/Dig)

Chamfer

<0.2×45°

Wavefront distorsion

<λ/4 @632 nm

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Physical and chemical properties

Property

Value

Chemical composition

Lu3Al5O12

Melting (℃)

2020℃

Symmetry

Cubic

Structure

Ia3d

Cell parameters (Å)

11.914

Hardness

8.5

Density (g/cm3)

6.73

Thermal conductivity (W/(℃.cm))

0.08 @ 25℃

expanding coefficient (10-6/℃)

8.8

Refractive index (λ=550nm)

1.84

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Scintillation properties

Emission peak (nm)

510

Light yield (Photons/Mev)

15000

Relative light output (%NaI:Tl)

20

Decay time (ns)

80

Radiation length for 511 keV (cm)

1.3

Energy resolution

<8%

Zeff

63

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Standard product

  Length (mm)

  Diameter (mm)

  Light yield (photons/Mev)

  up to 150mm

  up to 80mm

  15000

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