He-xi WU, Run-jie DI, Yu-juan LIU, Hui XU, Yi-bao LIU. Application on Straight-Line Shaping Method for Energy Spectrum Measurement in TXRF Spectrometer Based on SDD Detector[J]. Spectroscopy and Spectral Analysis, 2021, 41(7): 2148
- Spectroscopy and Spectral Analysis
- Vol. 41, Issue 7, 2148 (2021)
Fig. 1. Principle and prototype of TXRF spectrometer
Fig. 2. Fitting curve and transform results under different k values with straight-line shaper of a digital nuclear pulse
Fig. 3. Transform results of a series of digital nuclear pulse with different shaper
Fig. 4. Fitting results of rising edge of digital nuclear pulse transformed with straight-line shaper
Fig. 5. Relationship between amplitude fitting values by double exponential function and amplitude extraction values transformed with straight-line shaper of digital nuclear pulse
Fig. 6. Processing diagram of handling digital nuclear pulse in FPGA
Fig. 7. Measured spectrums of Fe film with TXRF spectrometer
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Table 1. Performance comparison of different measurement model
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