FIELD: optics.
SUBSTANCE: optical apparatus for forming an emitted electromagnetic wave from an incident electromagnetic wave is comprised of at least one single element comprised of at least two sub-wavelength optical elements, wherein each of said elements belongs to a different set of sub-wavelength optical elements characterised by the type of optical response to an incident electromagnetic wave, a nanofluidic microlens for selective excitation of all sub-wavelength optical elements belonging to a selected set when an electromagnetic wave hits said single element. The sub-wavelength optical elements are located in the focal plane of said nanofluidic microlens.
EFFECT: reduction in dimensions and weight, an increase in the image quality and the provided no less than two different optical functions for at least two different illumination conditions.
12 cl, 14 dwg
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