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Title: Method of improving BeO as a thermoluminescent detector

Abstract

Measurements of radiation exposure below 1 mR are possible with a BeO ceramic thermoluminescent detector (TLD) by treating the TL signal in a manner that discriminates against an interferring pyroelectric incandescence (PI). This is accomplished by differentiating the signals electronically to cause the composite signal to cross the baseline. A zero-crossing detector then senses and clips the negative-going portion of the signal. The resultant signal is integrated, producing a result wherein the true TL signal is substantially greater than the PI signal.

Inventors:
 [1];  [2];  [3]
  1. (Oak Ridge, TN)
  2. (Livermore, CA)
  3. (Knoxville, TN)
Issue Date:
Research Org.:
Oak Ridge National Laboratory (ORNL), Oak Ridge, TN
OSTI Identifier:
863658
Patent Number(s):
4224519
Assignee:
United States of America as represented by Department of Energy (Washington, DC) ORNL
Resource Type:
Patent
Country of Publication:
United States
Language:
English
Subject:
method; improving; beo; thermoluminescent; detector; measurements; radiation; exposure; below; ceramic; tld; treating; signal; manner; discriminates; interferring; pyroelectric; incandescence; accomplished; differentiating; signals; electronically; composite; baseline; zero-crossing; senses; clips; negative-going; portion; resultant; integrated; producing; result; true; substantially; resultant signal; radiation exposure; thermoluminescent detector; crossing detector; /250/327/

Citation Formats

Gammage, Richard B., Thorngate, John H., and Christian, Danny J. Method of improving BeO as a thermoluminescent detector. United States: N. p., 1980. Web.
Gammage, Richard B., Thorngate, John H., & Christian, Danny J. Method of improving BeO as a thermoluminescent detector. United States.
Gammage, Richard B., Thorngate, John H., and Christian, Danny J. Tue . "Method of improving BeO as a thermoluminescent detector". United States. https://www.osti.gov/servlets/purl/863658.
@article{osti_863658,
title = {Method of improving BeO as a thermoluminescent detector},
author = {Gammage, Richard B. and Thorngate, John H. and Christian, Danny J.},
abstractNote = {Measurements of radiation exposure below 1 mR are possible with a BeO ceramic thermoluminescent detector (TLD) by treating the TL signal in a manner that discriminates against an interferring pyroelectric incandescence (PI). This is accomplished by differentiating the signals electronically to cause the composite signal to cross the baseline. A zero-crossing detector then senses and clips the negative-going portion of the signal. The resultant signal is integrated, producing a result wherein the true TL signal is substantially greater than the PI signal.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {1980},
month = {1}
}

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