X-ray energy spectroscopy - calibration of the X-ray energy detector
Item no.: P2544001
Item no.: P2544001
Various metal samples are subjected to polychromatic X-rays. The resulting fluorescence radiation is analysed with the aid of a semiconductor detector and a multi-channel analyser. The maxima of intensity of the corresponding characteristic X-ray lines are determined. The predefined energy values of the characteristic lines and channels of the multichannel analyser that must be assigned in turn result in a calibration of the semiconductor energy detector.
Tasks
1. Record the spectra of the fluorescence radiation that is generated by the metal samples.
2. Determine the channel numbers of the maxima intensity of the characteristic lines of the corresponding fluorescence radiation.
3. Represent the predefined line energies as a function of the channel numbers graphically for two gain factors of the multichannel analyser.
학습목록
• Bremsstrahlung
• Characteristic X-radiation
• Energy levels
• Fluorescence radiation
• Conduction processes in semiconductors
• Doping of semiconductors
• Pin-diodes
• Semiconductor energy detectors
• Multichannel analysers
문의
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