[1] WANG H R, LI H D, QI J, et al. Total solar irradiance monitor for the FY-3B satellite-space experiments and primary data corrections[J]. Solar Physics, 290, 645-655(2015).

[2] GAO F, AN P J. The new trends of development strategy on the international space and earth observation technology[J]. Remote Sensing Technology and Application, 23, 686-696(2008).

[3] CHEN F, ZHENG X B. Influence of spectrum not-matching on calibration precision of remote sensor[J]. Optics and Precision Engineering, 16, 415-419(2008).

[4] HU SH S, MA SH, YAN W, et al. Measuring internal solitary wave parameters based on VIIRS/DNB data[J]. International Journal of Remote Sensing, 40, 7805-7816(2019).

[5] WANG Y P, HU X Q, WANG H R, . Standard transfer chain for radiometric calibration of optical sensing instruments with traceability in solar reflective bands[J]. Optics and Precision Engineering, 23, 1807-1812(2015).

[6] PANG W W, ZHENG X B, LI J J, et al. High accuracy calibration technology of remote sensor tracing to cryogenic radiometer[J]. Journal of Atmospheric and Environmental Optics, 9, 138-148(2014).

[7] LI B Y, REN J W, WAN ZH, et al. Research of large aperture integrating sphere used in the radiative calibration for space remote sensor[J]. Journal of Optoelectronics·Laser, 24, 464-469(2013).

[8] XU D, YUE SH X, ZHANG G Y, . Design of an Offner convex grating radiation calibration light source with a wide dynamic range[J]. Chinese Optics, 13, 1085-1093(2020).

[9] HANSSEN L. Integrating-sphere system and method for absolute measurement of transmittance, reflectance, and absorptance of specular samples[J]. Applied Optics, 40, 3196-3204(2001).

[10] RABL A, GORDON J M. Reflector design for illumination with extended sources: the basic solutions[J]. Applied Optics, 33, 6012-6021(1994).

[11] SUN J X, ZHANG H ZH. Thermal design for a kind of high-light-level integrating sphere calibration source[J]. Acta Optica Sinica, 35, 0312002(2015).

[12] GU G CH, WANG L, LIU H B, . Optical design of solar simulator used for transient calorimeter calibration system[J]. Chinese Optics, 5, 630-638(2012).

[13] WU R M, CHANG SH Q, ZHENG ZH R, et al. Formulating the design of two freeform lens surfaces for point-like light sources[J]. Optics Letters, 43, 1619-1622(2018).

[14] YU B H, TIAN ZH H, SU D Q, et al. Optical design of an ultra-short-focus projection system with low throw ratio based on a freeform surface mirror[J]. Chinese Optics, 13, 363-371(2020).

[15] BÖSEL C, WORKU N G, GROSS H. Ray-mapping approach in double freeform surface design for collimated beam shaping beyond the paraxial approximation[J]. Applied Optics, 56, 3679-3688(2017).

[16] DESNIJDER K, HANSELAER P, MEURET Y. Ray mapping method for off-axis and non-paraxial freeform illumination lens design[J]. Optics Letters, 44, 771-774(2019).

[17] ZHANG Y, DING H CH, ZHAO CH F, . The normal alignment method for freeform surfaces based on multiple laser sensor assembly[J]. Chinese Optics, 14, 344-352(2021).

[18] SCHRUBEN J S. Formulation of a reflector-design problem for a lighting fixture[J]. Journal of the Optical Society of America, 62, 1498-1501(1972).

[19] GU G CH, LIU H B, CHEN J Q, . Construction of freeform surface based on Supporting-Ellipsoid method[J]. Chinese Optics, 7, 823-829(2014).

[20] WESTER R, MÜLLER G, VÖLL A, et al. Designing optical free-form surfaces for extended sources[J]. Optics Express, 22, A552-A560(2014).