A new method for eliminating the chromatic aberration of a diffractive optical element (DOE) for wideband wavelengths is presented. The wideband-wavelength diffractive optical element (WBDOE) consists of two aligned DOE’s. The use of different dispersive materials for the two DOE’s eliminates chromatic aberration. The design and simulation of a WBDOE for the visible spectrum are presented.
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