METHOD AND SYSTEM FOR CALIBRATING GAMMA RADIATION FLUX LEVELS IN A SOLID STATE GAMMA RADIATION DETECTION SYSTEM
First Claim
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1. A method for calibrating a drive level of a non-radioactive calibration source, comprising:
- measuring a response of a radiation detector to background radiation;
measuring a response of the radiation detector to the background radiation plus a radiation reference;
measuring a response of the radiation detector to the background radiation plus the non-radioactive calibration source; and
adjusting the drive level of the non-radioactive calibration source until the response of the radiation detector to the background radiation plus the non-radioactive calibration source substantially matches the response of the radiation detector to the background radiation plus the radiation reference.
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Abstract
One aspect of the present disclosure comprises a method for calibrating a drive level of a non-radioactive calibration source. Another aspect of the present disclosure comprises a method for using a non-radioactive calibration source to verify correct operation of a radiation detector. Another aspect of the present disclosure comprises a radiation detection system that comprises a radiation detector and a non-radioactive calibration source that is used to verify correct operation of the radiation detector.
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Citations
21 Claims
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1. A method for calibrating a drive level of a non-radioactive calibration source, comprising:
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measuring a response of a radiation detector to background radiation; measuring a response of the radiation detector to the background radiation plus a radiation reference; measuring a response of the radiation detector to the background radiation plus the non-radioactive calibration source; and adjusting the drive level of the non-radioactive calibration source until the response of the radiation detector to the background radiation plus the non-radioactive calibration source substantially matches the response of the radiation detector to the background radiation plus the radiation reference. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A method for verifying correct operation of a radiation detector, comprising:
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measuring a response of the radiation detector to background radiation; driving a non-radioactive calibration source to a drive level that is specified in verification data, the verification data being determined during calibration of the non-radioactive calibration source; measuring a response of the radiation detector to the background radiation plus the non-radioactive calibration source; and determining whether the radiation detector is operating correctly based on the verification data and the response of the radiation detector to the background radiation plus the non-radioactive calibration source. - View Dependent Claims (12, 13, 14, 15, 16, 17)
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18. A radiation detection system, comprising:
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a radiation detector; a non-radioactive calibration source that is used to verify correct operation of the radiation detector, wherein the radiation detector and the non-radioactive calibration source are positioned such that photons emitted from the non-radioactive calibration source are detected by the radiation detector; and a light shield that shields the radiation detector from outside light sources. - View Dependent Claims (19, 20, 21)
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Specification