Ceramic Type GOS Scintillators

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Ceramic Type GOS Scintillators

Scintillators are materials that emit light when they come into contact with radiation such as X-rays and gamma rays. Ceramic type GOS scintillators are used for purposes such as CT scanners, security devices and non-destructive testing.
Toshiba Materials develops and manufactures scintillators with a high sensitivity and low afterglow, using two of our specialties: fine ceramics manufacturing technology and fluorescent material design technology.

Ceramic Type GOS Scintillators

Features

  • High sensitivity and low afterglow due to short persistence.
  • Excellent workability - can be created in your desired shape (1D or 2D) in all sizes to suit your purpose and the photodetectors being used
  • No harmful substances such as cadmium or thallium
  • Outstanding moisture resistance

Product specifications

Product specifications : Ceramic Type GOS Scintillators
Toshiba Materials'
ceramic type scintillators
Other scintillator materials
Material GOS: Pr CWO CsI(Tl)
Form Multicrystal Single crystal Single crystal
Maximum light emission wavelength [nm] 512 480 550
Relative optical output [-] 1.8 1 2
Persistence [μs] 3 5 1
Afterglow after 3ms [%] <0.1 <0.1 1.5
Transparency Translucent Transparent Transparent
Density 7.34 7.99 4.53
Signal temperature coefficient -0.1%/℃ -0.2%/℃ -
Environmental safety Harmful cadmium Thallium that meets environmental standards
Moisture resistance Deliquescence occurs
  • * The values above are reference values, and are not guaranteed. The actual values may differ depending on the measurement method.
Toshiba Materials' ceramic type GOS scintillator materials
Toshiba Materials'
ceramic type GOS scintillator materials
Output
(relative value)
Afterglow (%) Persistence
(μs)
Peak luminescence
(nm)
10ms 30ms 100ms
GOS1 1.8 0.08 0.02 0.01 3 512
GOS2 1.6 0.008 0.005 0.002 3 512
* Comparison of 2mm-thick scintillators, * Measurements conducted by Toshiba Materials, * Light output is relative to cadmium tungstate.
  • GOS1: Suited to non-destructive testing.
  • GOS2: Ideal for products in which a low afterglow is important, such as high-speed scanning devices.

Contact us for more details on purposes, materials, etc.

1D type 2D type

Examples of uses

  • Detectors for line scanning (for security and industrial purposes)
    Detectors for line scanning (for security and industrial purposes)
  • CT (computed tomography) scanning
  • Hand luggage inspection devices
  • Non-destructive testing devices

Catalog Download

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Ceramic Type GOS Scintillators

Ceramic Type GOS Scintillators
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