Infrared and Laser Engineering, Volume. 52, Issue 2, 20220451(2023)
Star simulator light source spectral matching accuracy improvement method by two-dimensional partition feedback control
Fig. 1. (a) Structure of the star simulator light source system; (b) Light disperse on the DMD micromirror array; (c) Output spectra controlled by the DMD micromirrors
Fig. 2. Genetic algorithm to control the micromirror state simulation spectrum steps
Fig. 4. Spectral power distribution curve of sub region divided by wavelength and spatial direction
Fig. 5. Initial spectral element interval calibration. (a) Wavelength dimension of the micromirrors are grouped in 54 columns; (b) Grouped in 27 columns; (c) Grouped in 15 columns; (d) Grouped in 10 columns
Fig. 6. Simulation results of color temperature 3400 K. (a) Micromirrors are grouped in 54 columns; (b) Micromirrors are grouped in 27 columns;(c) Micromirrors are grouped in 15 columns; (d) Micromirrors are grouped in 10 columns
Fig. 7. Micromirrors simulate the results of various color temperatures in a group of 10 columns. (a) Color temperature 2550 K; (b) Color temperature 4766 K; (c) Color temperature 6516 K; (d) Color temperature 8910 K
Fig. 8. Genetic algorithm feedback simulation results of different color temperatures. (a) Color temperature 2250 K; (b) Color temperature 4766 K; (c) Color temperature 6576 K; (d) Color temperature 8910 K
Fig. 9. Simulate result for all color temperatures by division in wavlength and energy two-dimension. (a) Color temperature 2250 K; (b) Color temperature 4766 K; (c) Color temperature 6576 K; (d) Color temperature 8910 K
Fig. 10. Simulate results for color temperatures by three ways. (a) Color temperature 8910 K; (b) Various color temperatures
Get Citation
Copy Citation Text
Zhiyong Wang, Jingjing Zhang, Hao Sun, Shishen Liu. Star simulator light source spectral matching accuracy improvement method by two-dimensional partition feedback control[J]. Infrared and Laser Engineering, 2023, 52(2): 20220451
Category: Photoelectric measurement
Received: Oct. 10, 2022
Accepted: Dec. 29, 2022
Published Online: Mar. 13, 2023
The Author Email: