CdWO4 Cadmium Tungstate Low Intrinsic Background With Sufficiently High Light Yield

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Nanjing Crylink Photonics Co.,Ltd

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CdWO4 Cadmium Tungstate Low Intrinsic Background With Sufficiently High Light Yield

Name: CdWO4 Cadmium Tungstate Low Intrinsic Background With Sufficiently High Light Yield
Brand: CRYLINK
Price: 1 USD

Quality CdWO4 Cadmium Tungstate Low Intrinsic Background With Sufficiently High Light Yield wholesale

Place of Origin : China

Brand Name : CRYLINK

Certification : Iso9001

MOQ : 1 Pieces

Price : negotiation

Packaging Details : Carton

Delivery Time : 3-4 weeks

Payment Terms : TT

Supply Ability : 100 pieces /month

Model Number : CRYLINK-CdWO4 Scintillator Crystal

Name : CdWO4 Scintillation Detector

Light yield (Photon/MeV) : 13000

Decay time (s) : 12-15

Peak emission (nm) : 480

After glow : 0.1%@6ms

Density (g/cm3) : 7.9

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Cadmium tungstate CdWO4 (CWO), due to its low intrinsic background and afterglow together with sufficiently high light yield, is the most promising for spectrometry and radiometry of radio nuclides under extremely low activities, and also for computer tomography.

The crystal is transparent and emits light when it is hit by gamma rays and x-rays, making it useful as a detector of ionizing radiation. Its peak scintillation wavelength is 480 nm (with emission range between 380-660 nm), and efficiency of 13000 photons/MeV. It has a relatively high light yield, its light output is about 40% of NaI(Tl), but the time of scintillation is quite long (12~15 s). It is often used in computed tomography. Combining the scintillator crystal with externally applied piece of boron carbide allows construction of compact detectors of gamma rays and neutron radiation.

Specifications

Scintillation Properties
Materials	CdWO4
Light yield (Photon/MeV)	13000
Decay time (s)	12-15
Peak emission (nm)	480
After glow	0.1%@6ms
Density (g/cm3)	7.9
Hygroscopicity	No
Hygroscopicity	No

Polishing Specification for Optical Grade
	StandardPrecision	High Precision	Super Precision
Orientation Tolerence	＜ 1°	＜ 0.5°	＜ 0.2°
Thickness/Diameter Tolerance	±0.10 mm	±0.05 mm	±0.02 mm
Surface Flatness@633nm	＜-2	＜/2-/4	/4-/6
Wavefront Distortion	＜(2-4)	＜(1-2)	＜(-/2)
Surface Quality	60/40	40/20	20/10
Parallel	45	1	10
Perpendicular	60	30	20
Clear Aperture	＞90%
Chamfer	＜0.2mm×45°
Coating	Available upon request

Product Tags:

cerium doped yttrium aluminum garnet

bgo bismuth germanate

CdWO4 Cadmium Tungstate Low Intrinsic Background With Sufficiently High Light Yield Images

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