Electron beams in electron microscopes are efficient probes of optical near-fields, thanks to
spectroscopy tools like electron energy-loss spectroscopy and cathodoluminescence …

A photon sieve with 10^ 7 holes has been constructed for operation at optical wavelengths.
Details of the design, fabrication, and performance of this device are presented. The 1? m …

A broadband-corrected optical telescope has been constructed from a photon sieve with five
million holes. Through careful optimization of hole size, this" antihole" sieve has holes …

We present the first lithography results that use high-numerical-aperture photon sieves as
focusing elements in a scanning-optical-beam-lithography system [J. Vac. Sci. Technol. B21 …

A novel focusing structure with fractal properties is presented. It is a photon sieve in which
the pinholes are appropriately distributed over the zones of a fractal zone plate. The …

Various zone plates: amplitude, amplitude-phase, and phase ones (including Fresnel and
Gabor zone plates, Laue-and Bragg-Fresnel lenses, photon sieves, and aperiodic zone …

We extend the work of photon sieves to spiral photon sieves (SPSs) for the generation of a
hard-x-ray vortex. A robust digital prolate spheroidal window, which has an optimal energy …

A series-form expression for the individual diffracted field of a general annular ring is derived
from the Rayleigh–Sommerfeld diffraction integral. It can be used for the accurate and fast …

We present results of research into the design and construction of membrane photon sieves
as primaries for next-generation lightweight space telescopes. We have created prototypes …

Greek ladder is a technique for approximating Cn by rational numbers where n is a positive
integer and C is a positive real number. For the classical Greek ladder, the value isC. Based …