Fig. 1. Phase screen when r₀ is 0.01 m

Fig. 2. Phase screen when r₀ is 0.05 m

Fig. 3. Phase screen when r₀ is 0.1 m

Fig. 4. Phase screen when r₀ is 0.2 m

Fig. 5. Phase screens under the same atmospheric condition. (a) The first simulation; (b) the second simulation;(c) the third simulation; (b) the fourth simulation

Fig. 6. Energy distribution of effective light in slit

Fig. 7. Transmission spectrum curves of slit

Fig. 8. Linewidth for 50 tests when r₀ is 0.1 m

Fig. 9. Transmittance for 50 tests when r₀ is 0.1 m

Fig. 10. Center wavelength for 50 tests when r₀ is 0.1 m

Fig. 11. Transmittance for 50 tests when r₀ is 0.1 m

Fig. 12. Relationship between FWHM and r₀

Fig. 13. Relationship between T and r₀

Fig. 14. Relationship between FWHM and slit width

Fig. 15. Relationship between T and slit width

Fig. 16. Relationship between FWHM and local length

Fig. 17. Relationship between T and local length

Fig. 18. Relationship between FWHM and grating constant d

Fig. 19. Relationship between T and grating constant d

Fig. 20. Relationship between FWHM and total grating slit number

Fig. 21. Relationship between T and total grating slit number N

Fig. 22. Relationship between FWHM and incident spectrum center wavelength

Fig. 23. Relationship between T and incident spectrum center wavelength

Fig. 24. Relationship between FWHM and field of view

Fig. 25. Relationship between T and field of view

Fig. 26. Narrow band spectral filtering system based on double MLD gratings