In contemporary optics, the spatial light modulator (SLM) is
effectively used as a flexible optoelectronic device playing the key role in a
number of experiments of science and technology. Its operation is optimal
when using almost monochromatic light but an extremely strong diffractive
dispersion occurs when white light is applied. In this paper, the design
concepts are proposed resulting in optimization and implementation of a
refractive corrector cooperating with the SLM. The corrector maintains
the operation of the SLM unchanged for the central wavelength of light
and ensures an achromatic dispersion compensation throughout the visible
region in applications based on a lens-pattern formation. A significant
improvement of the imaging performance of the achromatic SLM was
proved by the computer simulation and measurement of the chromatic focal
shift and the image contrast of the resolution target.