Fig. 1. Schematic diagrams of experimental device. (a) Cryogenic radiometer; (b) radiation control system

Fig. 2. Experimental data and theoretical curves for energy sensitivity of hard X-ray diodes

Fig. 3. Energy spectrum diagrams of W target. (a) Experimental energy spectrum for HPGe measurements; (b) experimental energy spectrum after data processing

Fig. 4. Schematic of hard X-ray tube to calibrate energy sensitivity of scintillation detector

Fig. 5. Current ratio of two detectors under different types and thicknesses of filters. (a) Ag with thickness of 30.21 μm; (b) Ag with thickness of 50.00 μm; (c) Sn with thickness of 63.70 μm; (d) Sn with thickness of 108.00 μm

Fig. 6. Experimental results and theoretical calculation results of typical NaI scintillation detector sensitivity

Fig. 7. Schematic of experimental arrangement for calibration of BaF₂ scintillation detector energy sensitivity by Shanghai synchrotron radiation source

Fig. 8. Performance curves of BaF₂ scintillation detector. (a) Relationship between output signal of BaF₂ scintillation detector and voltage; (b) calibration results and theoretical calculation results of typical BaF₂ scintillation detector sensitivity

Fig. 9. Theoretical and experimental results of energy transmittance of vacuum isolator

Fig. 10. Comparison of data of filter stack spectrometer and BaF₂ filter fluorescence spectrometer