Zone plate - Wikipedia
A zone plate is a device used to focus light or other things exhibiting wave character. [1] Unlike lenses or curved mirrors, zone plates use diffraction instead of refraction or reflection. Based …
Zone Plates – diffractive lenses, beam focus, chromatic …
A zone plate is an optical device which can be used for focusing light. In contrast to a lens, it is based on diffraction rather than on refraction. It is usually flat (and can thus be considered as …
Section 4.4 ZONE PLATES - X-ray
A zone plate is a circular diffraction grating. In its simplest form, a transmission Fresnel zone plate lens consists of alternate transparent and opaque rings. The radii of the zone plate edges are …
What are Fresnel Zone Plates? - AZoOptics
2023年2月14日 · Fresnel zone plates are extensively used in magnifying and focusing optical devices, offering high resolution. They consist of circular gratings with a radially increasing line …
Zone plate | Description, Example & Application - Your Physicist
2023年3月21日 · What is a Zone Plate? A zone plate is an optical element that is used to focus light. It is similar to a lens, but instead of using curved surfaces, it uses a series of transparent …
CXRO - Zone Plates and Nanofabrication - X-ray Optics
Zone plate fabrication: Learn about fabrication techniques, materials, limitations, and how they impact zone plate performance. Zone plate applications: Learn how zone plates enable and …
Fresnel zone plates - x-ray-optics.de
A suitable circular absorbing or phase grating is called Fresnel zone plate (FZP) [Fre 1866]. A FZP focuses the incoming beam to a point focus (fig. 1). The minimum diameter of the focus …
Zone Plate
Use this simple Calculator to assess the effect of various parameters on probe formation. The diffraction efficiency of the Zone Plate is a function of the operating wavelength, the zone …
13.9: Fringes and Zone Plates - Physics LibreTexts
The result is a “zone plate.” An example, produced by blacking out the first 4 negative zones is shown in Figure \( 13.37\). These things are quite useful, because they can be easily produced …
Zone-Plate X-Ray Microscopy | SpringerLink
2019年1月1日 · Fresnel zone plates are the most commonly used optic in x-ray microscopes. Following a short discussion of historical developments, the properties of zone plates are …