[1] [1] Harder J W, Fontenla J, Lawerance G, et al. The spectral irradiance monitor: measurement equation and calibration ［J］. Sol. Phys., 2005, 230(1-2): 169-204.

[2] [2] Fowler J B, Dezsi G. High accuracy measurement of aperture area relative to a standard known aperture ［J］. Journal of Research of the National Institute of Standards and Technology, 1995, 100(3): 277-283.

[3] [3] JohnsonB C, Litorja M, Butler J J. Preliminary results of aperture area comparison for exo-atmospheric solar irradiance ［C］. Proc. SPIE, 5151: 455-462.

[4] [4] Hartmann J. Advanced comparator method for measuring ultra-small aperture areas ［J］. Meas. Sci. Tech., 2001, 12(10): 1678-1682.

[5] [5] Fischer J, Stock M. A non-contact measurement of radiometric apertures with an optical microtopography sensor ［J］. Meas. Sci. Tech, 1992, 3(8): 693-698.

[6] [6] Sheng Jianjun, Zhang Liming, Zheng Xiaobing, et al. Optical method for accurate measurement on the area of aperture diaphragm ［J］. Infrared and Laser Engineering, 2008, 37(3): 534-537(in Chinese).

[7] [7] Zheng Xiaobing, Wu Haoyu, Zhang Junping, et al. Absolute spectral responsivity standard detectors with uncertainty less than 0.035% ［J］. Acta Optica Sinica, 2001, 21(6): 749-752(in Chinese).