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Design of aplanatic waveguide Fresnel lenses and aberration-free planar optical systems

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2 Author(s)
Belostotsky, A.L. ; Inst. of Semicond, Phys., Acad. of Sci., Novosibirsk, Russia ; Leonov, A.S.

A modification of the waveguide Fresnel lens design that has phase-shifting zones placed on the curved contour is suggested. It is shown that the selection of a suitable shape for this contour allows coma aberration to be eliminated. Computer simulation results are presented to demonstrate the significant improvement of the optical characteristics for curved contour lenses. The aplanatic homogeneous refracting waveguide lenses are also considered. It is found that thick aplanatic refracting lenses and the proposed Fresnel lenses have field curvature aberration of opposite sign. This fact allows planar optical systems free from low-order aberration to be designed by combining refracting and Fresnel lenses. An algorithm for producing such a system is presented

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Lightwave Technology, Journal of  (Volume:11 ,  Issue: 8 )