It was taken by James Clerk Maxwell by photographing the ribbon three times - each time with a different colorfilter over the lens.
它是由詹姆斯·克拉克·麦克斯韦通过三次拍摄同一缎带得到的-每次在镜头上用不同的彩色滤光片。
2
A guided-mode resonant filter (GMRF) based on the structure of anti-reflection (ar) thin film waveguide is proposed to realize three-primary-colorfilter with narrow-band.