Juemin Wang, Wenzi Zhao, Fan Yang. Flicker of Electric Light Sources Based on Spectral Analysis[J]. Laser & Optoelectronics Progress, 2019, 56(20): 203301
- Laser & Optoelectronics Progress
- Vol. 56, Issue 20, 203301 (2019)
Fig. 1. Schematic of time-dependent illumination produced by light source at certain point in space
Fig. 2. Evaluation for health effects of scintillation frequency and percentage in IEEE PAR 1789
Fig. 3. Spectral distributions of three types of electric light sources within 50 ms. (a) Spectral distribution of incandescent lamp; (b) spectral distribution of LED filament lamp; (c) spectral distribution of iodine tungsten lamp
Fig. 4. Calculation result and Fourier fitting of relative luminous flux of incandescent lamp
Fig. 5. Calculation result and Fourier fitting of relative luminous flux for LED filament lamp
Fig. 6. Calculation result and Fourier fitting of relative luminous flux for iodine tungsten lamp
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Table 1. Fitting results of relative luminous flux of three types of electric light sources
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Table 2. Calculation results and relative errors of flicker of three types of electric light sources
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Table 3. Average relative errors of scintillation percentage, stroboscopic depth, and stroboscopic frequency of three types of electric light sources%
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