Monjurul Meem, Apratim Majumder, Sourangsu Banerji, B. S. Rodriguez, R. Menon
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Free-form Broadband Flat Lens for F-Number and Numerical Aperture Decoupling
The f-number (f#) and numerical aperture (NA) of a conventional lens are inherently coupled. We demonstrate a free-form broadband flat lens that de-couples the f# and NA.