Gamma and x-ray response of high density glass scintillators
- Industrial Quality, Inc., Gaithersburg, MD (United States)
- Los Alamos National Lab., NM (United States)
- AIL Systems, Inc., Deer Park, NY (United States)
High density glass scintillators for X-ray imaging have brought about improvements in the performance of X-radioscopic systems. A family of glass scintillators, originally developed under an SBIR project sponsored by the Naval Air Warfare Center, Weapons Division in China Lake, California, is now offered commercially by Industrial Quality, Inc. The high densities of the new glass scintillators, coupled with the capability to use thick detectors, has led to dramatic improvements in image signal-to-noise ratios for high energy X-ray inspection. The new silicate glasses are available in both solid and fiber optic form. The glasses are terbium-activated and emit in the green portion of the spectrum of 543 nm. The decay characteristics of all the new glasses are similar and show a 1/e decay time of about 3 ms and an after glow yielding 0.5% or less of peak response 0.5 seconds after radiation exposure. Some characteristics of the IQI solid scintillating glasses are given in Table 1. Solid glass scintillators are available in sizes up to 12 inches square and in whatever thickness is desired. Typical range of thicknesses is 2 to 12 mm.
- Research Organization:
- Los Alamos National Lab., NM (United States)
- Sponsoring Organization:
- USDOE, Washington, DC (United States)
- DOE Contract Number:
- W-7405-ENG-36
- OSTI ID:
- 10182054
- Report Number(s):
- LA-UR-94-2886; CONF-9409194-2; ON: DE94018321; TRN: AHC29421%%167
- Resource Relation:
- Conference: 1994 American science nondestructive testing fall conference,Atlanta, GA (United States),19-23 Sep 1994; Other Information: PBD: [1994]
- Country of Publication:
- United States
- Language:
- English
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