Lingyun Wang, Xiao Liu, Guangxi Li, HangShuo Gu, Yue Ma. Research Progress in Light Source of Colour Temperature Tunable Star Simulator[J]. Laser & Optoelectronics Progress, 2021, 58(21): 2100001
- Laser & Optoelectronics Progress
- Vol. 58, Issue 21, 2100001 (2021)
Fig. 1. Spectral distribution of various light sources
![Spectrum distribution of SC400 series supercontinuum laser produced by Fianium company[12]](/richHtml/lop/2021/58/21/2100001/img_2.jpg)
Fig. 2. Spectrum distribution of SC400 series supercontinuum laser produced by Fianium company[12]
Fig. 3. Basic structure diagram of star simulator
Fig. 4. Evolution of light source in color temperature adjustable star simulator
Fig. 5. STS structure diagram[19]
Fig. 6. LED array developed by University of Pavado in Italy[20]
Fig. 7. Multicolor temperature single star simulator[26]
Fig. 8. LED array developed by Zhejiang University[33]
Fig. 9. Spectrum adjustable light source based on tungsten bromide lamp[38]
Fig. 10. Visible ARS structure[39]
Fig. 11. Short wave infrared ARS structure[39]
Fig. 12. Simulation of two kinds of target spectrum by ARS system[39]. (a) Target detection based on spectral Gaussian distribution; (b) fluorescent lamp distribution
Fig. 13. System prototype of spectral tunable radiance standard light source[40]
Fig. 14. SPLE system diagram based on prism[41]
Fig. 15. Spectra matching diagrams of SPLE system[43].（a）Simulated Gaussian distribution spectrum；（b）spectrum of simulated xenon lamp；（c）spectral flattening
Fig. 16. Light source system of spectrum adjustable star simulator based on DMD[45]
Fig. 17. Simulation results of spectral distribution at 3900, 4800, 6500 K[45]. (a) Simulation of blackbody spectra at 3900 K; (b) simulation of blackbody spectra at 4800 K; (c) simulation of blackbody spectra at 6500 K
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Table 1. Classification of stars by color temperature at Harvard Observatory
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Table 2. Several typical LED mixing technologies with adjustable color temperature
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Table 3. Comparison of typical light sources with adjustable color temperature
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Table 4. Comparison of three kinds of light splitting systems with adjustable color temperature
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