Journal ArticleDOI
Optimal Light Focusing with a Fresnel Mesowavelength Phase Plate with Stepped Zone Profile
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This article is published in Atmospheric and Oceanic Optics.The article was published on 2022-12-01. It has received 0 citations till now. The article focuses on the topics: Zone plate & Fresnel zone.read more
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Journal ArticleDOI
Flat optics with dispersion-engineered metasurfaces
TL;DR: The underlying physical principles of metasurface optical elements are introduced and, drawing on various works in the literature, how their constituent nanostructures can be designed with a highly customizable effective index of refraction that incorporates both phase and dispersion engineering are discussed.
Journal ArticleDOI
High-efficiency multilevel zone plates for keV X-rays
E. Di Fabrizio,Filippo Romanato,Massimo Gentili,Stefano Cabrini,B. Kaulich,Jean Susini,Raymond Barrett +6 more
TL;DR: In this article, the authors report the fabrication of high-efficiency, high-contrast gold and nickel multistep (quaternary) Fresnel zone plates using electron beam lithography.
Journal ArticleDOI
Microlens array fabrication by laser interference lithography for super-resolution surface nanopatterning
TL;DR: In this article, the laser beam was split into many focused tiny light spots by a 1μm diameter MLA fabricated by laser interference lithography followed by reflow and reactive ion etching.
Journal ArticleDOI
The application of Fresnel zone plate based projection in optofluidic microscopy.
TL;DR: The use of the Fresnel zone plate (FZP) based projection in OFM is reported as a cost-effective and compact means for projecting the transmission through an OFM's aperture array onto a sensor grid.
Journal ArticleDOI
Tight focusing of laser light using a chromium Fresnel zone plate
Victor V. Kotlyar,Sergey S. Stafeev,Anton G. Nalimov,M. V. Kotlyar,Liam O'Faolain,Elena S. Kozlova +5 more
TL;DR: The subwavelength focal spots presented here are the tightest among all attained so far for homogeneously polarized beams by use of non-immersion amplitude zone plates.