Accelerator x-ray energy on-line detection method, detector and detection system

Abstract

An online detection method, detector, and detection system for accelerator X-ray energy are disclosed. The online detection method includes irradiating a test field with multiple X-rays of known energies by the accelerator; acquiring first measurement values ​​of the first X-rays after passing through absorbers of different thicknesses using a detector module; obtaining a first absorbed dose value from the first measurement value; establishing a first relationship curve based on the first absorbed dose value and forming a set of standard curves; irradiating the test field with second X-rays by the accelerator; establishing a second relationship curve corresponding to the energy of the second X-rays; including the second relationship curve in the set of standard curves; and determining the energy of the second X-ray based on the energy interval between the two adjacent first relationship curves. By analyzing the relationship between the measured values ​​received by the detector module and the thickness of the absorber at the incident end of the detector module with the X-ray energy, online detection of the X-ray energy irradiated by the accelerator can be achieved.

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