Liangkun Huang, Quan Wen, Zhiyu Wen, Fan Yu, Haitao Liu, Mingjian Hong, Yingke Xie. Micro-Ultraviolet Spectrometer Analysis System[J]. Laser & Optoelectronics Progress, 2020, 57(5): 053003
- Laser & Optoelectronics Progress
- Vol. 57, Issue 5, 053003 (2020)
Fig. 1. Schematic of analyzing process
Fig. 2. Simulation results of the flat field holographic concave grating
Fig. 3. Schematic of spectral analysis system configuration
Fig. 4. Spectral range and calibration results of the spectrometer prototype. (a) Wavelength range; (b) calibrated spectral curve
Fig. 5. Hg lamp resolution test curve
Fig. 6. Test results of system stability. (a) 12 sets of test data chart; (b) 12 h test data scatter chart
Fig. 7. Gas detection and analysis system. (a) Physical picture of test system; (b) deuterium lamp-ultraviolet spectrometer measurement system
Fig. 8. Absorption spectrum of SO2 gas and filtered SO2 differential absorption cross section at 215-238 nm and 290-311 nm
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Table 1. Test data of wavelength accuracy
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Table 2. Measurement results of SO2 gas mass concentration in UV spectrometer
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