Double-sided split-step MM-wave Fresnel lenses: design, fabrication and focal field measurements

Date

2014-09

Authors

Yurchenko, V. B.
Ciydem, M.
Gradziel, M.
Murphy, J. A.
Altintas, A.

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Abstract

Design, fabrication and focal field measurements of W-band Fresnel lenses to produce well-shaped Gaussian beams in the focal domain are presented. Two lenses, one of Teflon and another of Polyamide, have been compared in their performance with a double-sided Fresnel lens of different design, with full height of Fresnel steps. Experiments show that a good focusing ability of all the lenses is achieved. They produce the target beam according to the design. Yet, the lenses of split-step design are thinner, have lower insertion losses, and a greater focal depth as compared to more conventional Fresnel lenses.

Source Title

Journal of the European Optical Society

Publisher

European Optical Society : Rapid Publications

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Published Version (Please cite this version)

Language

English