Fig. 1. Stray light engineering process flowchart

Fig. 2. Basic radiative transfer^［13］

Fig. 3. Typical stray light phenomenon ^{［7，9-10］}

Fig. 4. Classification of stray light suppression methods

Fig. 5. Distribution map of diffraction spikes^［15-16］

Fig. 6. Optical system of LISA^［19］

Fig. 7. Different shapes of baffle^{［6，22-25］}

Fig. 8. Structure of the vanes in the outer baffle^［26］

Fig. 9. Honeycomb light blocking structure^［27-28］

Fig. 10. Scattering analysis of honeycomb baffle^［29］

Fig. 11. Reflective baffles with vanes^［31-32］

Fig. 12. Transmissive two-class three-stage baffle and catadioptric system with inner and outer baffle^［33-34］

Fig. 13. Ultra-light baffle^［35-37］

Fig. 14. Combined application of total reflection technology and two-stage hood baffle^［38-39］

Fig. 15. Expandable sunshields^［40-42］

Fig. 16. Deployable sunshield on GF-7 satellite remote sensing camera^［44-46］

Fig. 17. Adjustment system with hexapod structure^［47］

Fig. 18. Prototype of a deployable telescope based on a ribbon spring^［51］

Fig. 19. Deployable membrane sunshield of “MEAYIN Project”^［52-53］

Fig. 20. Schematic of sunflower-shaped planet starshade instrument on orbit^［55-57］

Fig. 21. Ground test of the sunflower-shaped starshade^［54］

Fig. 22. Contrast simulation of the sunflower starshade^［55-57］

Fig. 23. Application of Lyot stop in stray light elimination system^［58］

Fig. 24. Application of various means of suppression for stray light in SABER telescope^［59］

Fig. 25. Large field of view coronagraph optical system^［60-61］

Fig. 26. SEM images of different phosphorus compositions in nickel-phosphorus black paint^{［62，64］}

Fig. 27. Automated robot-assisted thermal spray technology^［71］

Fig. 28. New super black coating HD-CB99A^［72］

Fig. 29. Test spectral curve before and after vacuum-UV，vacuum-electron and vacuum-proton irradia of SCB-1 and PNC^［74-75］

Fig. 30. Application of Vantablack paint^［82］

Fig. 31. Single-walled carbon nanotube coatings^［83］

Fig. 32. Carbon nanotube（CNT）baffle^［84］

Fig. 33. Fs laser processing system and morphology of micro/nano structures in circularly polarized laser ^［85-86］

Fig. 34. Reflection spectra of micro/nano structures at different experimental conditions^［85-86］

Fig. 35. James Webb Space Telescope coated with golden thin^［87］

Fig. 36. Setup of plasma-enhanced chemical vapor deposition（PECVD）^［90-91］

Fig. 37. Reflectivity distribution of graded-index coating^［94］

Fig. 38. Influence of the surface topography and particulate contaminants^{［9，102-103］}

Fig. 39. Suppression of surface particle pollutant scattering by single-layer film^{［105-106］}

Fig. 40. CO₂ snow cleaning^［87］

Fig. 41. Electrostatic dust removal technology and application^{［112，114］}

Fig. 42. Image method to eliminate ghost image

Fig. 43. An example of image method to eliminate ghost image^［7］

Fig. 44. An example of temperature control method^［115］

Fig. 45. One-meter vacuum solar telescope NVST^［117］

Fig. 46. Comprehensive thermal suppression in VIRCAM^［22］

Fig. 47. Gold plating of MAKO spectrometer^［115］

Fig. 48. Application of bandpass filtering to suppress stray light in TRACE^{［118-119］}

Fig. 49. Application of bandpass filtering to suppress stray light in SDO-AIA^［120］

Fig. 50. Judgment and exclusion of false signal generated by sunlight^［121］

Fig. 51. Polarized optical imaging eliminates glare^［123］

Fig. 52. Instant dehazing of images using polarization^［123］

Fig. 53. Application of circularly polarized light in the restoration of polarized imaging in turbid media^［125］

Fig. 54. Polarization-based imaging for clear underwater vision in natural illumination^［126］

Fig. 55. Image comparison before and after using the edge method ^［127］

Fig. 56. Numerical aperture method to suppress stray light

Fig. 57. Application of nonlinear optimization algorithm in image correction^［130］

Fig. 58. Application of deconvolution algorithm in image correction of asteroid Vesta^［131］

Fig. 59. Application of sub-image adaptive algorithms in multispectral image correction of SJ-9A^{［132-134］}

Fig. 60. Correction of stray light by matrix method^［135］

Fig. 61. Geometry for the definition of BRDF，BTDF and BSDF^{［26，136-137］}

Fig. 62. Picture of the scatterometer^{［139-140］}

Fig. 63. Structure of the BRDF Scatterometer

Fig. 64. Facility of the veiling glare index^{［1，173］}

Fig. 65. The measurement which uses box type as exposure source^{［11，175-176］}

Fig. 66. Point source transmittance stray light test facility of the Utah State University^［68］

Fig. 67. Point source transmittance stray light test facility of the BATC^{［177-178］}

Fig. 68. Point source transmittance stray light test station developed by XIOPM^［179］

Fig. 69. Self-developed of black glass and its application in PST test system^{［180-181］}

Fig. 70. Optical axis alignment device of collimator and optomechanical system in stray light test^［182］

Fig. 71. Accuracy analysis of the point source transmittance test system^［183］

Fig. 72. Structure and result analysis based on time-resolved PST test system^［184］

Fig. 73. Point source transmittance test station in the form of vacuum chamber^{［8，185-186］}