New type hybrid (refractive, diffractive) waveguide lenses

Gabor Szarvas

doi:10.1117/12.2308516

26 July 1993 New type hybrid (refractive, diffractive) waveguide lenses

Gabor Szarvas

Proceedings Volume 1983, 16th Congress of the International Commission for Optics: Optics as a Key to High Technology; 19832P (1993) https://doi.org/10.1117/12.2308516
Event: 16th Congress of the International Commission for Optics: Optics as a Key to High Technology, 1993, Budapest, Hungary

Abstract

In our paper we show the exact (not zero thickness) equation of the finite thickness waveguide Fresnel lenses. We calculate the RMS wavefront distortion caused by the zero thickness approximation of the lens shape. We propose new type large numerical aperture hybrid lenses. These consist of refractive and dijractive (analogue Fresnel) sections. These lenses can be realised by optical lithography, because the dimension of the Fresnel zones can be varied in accordance with the capabilities of the lithographic equipment.

Citation Download Citation

Gabor Szarvas "New type hybrid (refractive, diffractive) waveguide lenses", Proc. SPIE 1983, 16th Congress of the International Commission for Optics: Optics as a Key to High Technology, 19832P (26 July 1993); https://doi.org/10.1117/12.2308516

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