Cadmium tungstate (CdWO₄), a top-tier monoclinic scintillation crystal, boasts exceptional properties. With a high density of 7.9 g/cm³, strong X-ray absorption, and remarkable radiation resistance, it delivers efficient light output (around 40% of NaI(Tl)). Its low afterglow and non-hygroscopic nature make it ideal for medical CT, industrial inspection, and high-energy physics research. OST Photonics is capable of s...
Cadmium tungstate (CdWO₄), a top-tier monoclinic scintillation crystal, boasts exceptional properties. With a high density of 7.9 g/cm³, strong X-ray absorption, and remarkable radiation resistance, it delivers efficient light output (around 40% of NaI(Tl)). Its low afterglow and non-hygroscopic nature make it ideal for medical CT, industrial inspection, and high-energy physics research.
OST Photonics is capable of supplying CdWO₄ scintillation crystals in various forms, ranging from bulk crystals to precision-fabricated linear or 2D arrays, all customizable according to your exact requirements.
Medical X-ray CT imaging
Industrial non-destructive testing (NDT)
Security inspection systems
High-energy physics experiments
High density (7.9 g/cm³)
Large X-ray absorption coefficient
Low afterglow (<0.1% at 30 ms)
Excellent radiation hardness
Non-hygroscopic nature
Maximum Size: ɸ80mm x 200mm
Available items: monolithic crystal, linear or 2-D array
Density [g/cm3] | 7.9 |
Melting Point [K] | 1598 |
Thermal Expansion Coefficient [C-1] | 10.2 x 10-6 |
Cleavage Plane | (010) |
Hardness (Mho) | 4-4.5 |
Hygroscopic | No |
Wavelength of Emission Max. [nm] | 475 |
Lower Wavelength Cutoff [nm] | 330 |
Refractive Index @ Emission Max | 2.2-2.3 |
Primary Decay Time [ns] | 14000 |
Light Yield [Photons/keVγ] | 12-15 |
Photoelectron Yield [% of NaI(Tl)] (for γ-rays) | 30-50 |
The following specifications are listed on our original catalogue. Custom dimensions, orientations and surface finishes are produced to your drawing.
Send us your dimensions, orientation, surface finish and quantity. Our engineers reply with a technical proposal and price.
