Abstract
Specular structural colors generated by two-dimensional periodic binary
gratings are investigated theoretically. An approximate mathematical model of the
grating specular structural colors is described, based on scalar nonparaxial
diffraction theory, and the functional relationships of specular structural color
and structural parameters of gratings are analyzed. Through this, the optimal
condition for maximizing the color-representation range in the standard CIE 1931
chromaticity diagram is derived.
© 2014 Optical Society of Korea
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