Propagation of x rays in waveguides

Abstract

Waveguide structures and couplers for x rays are analyzed. Experimental results are given for the propagation of Cu Ka radiation in guides made of BN.

Advances in fabrication of X-ray waveguides

“…While waveguide (WG) optics is ubiquitous in the visible and infrared spectral range, it is still much less developed in the x-ray regime, despite some encouraging initial work on planar x-ray WGs [1,2,3,4,5,6,7,8]. This is for a good reason.…”

Advanced Channeling Technologies in Plasma and Laser Fields

“…The modes of radiation propagation in a waveguide are revealed at interference between the incident and reflected EPJ Web of Conferences 167, 01002 (2018) https://doi.org/10.1051/epjconf/201816701002 PPLA 2017 waves forming a standing wave pattern [59]. However, it becomes constructive just for specific angles.…”

“…Some types of processes based on the self-organization of materials that have recently attracted considerable interest because of the possibility of preparing fine patterns of nanometer dimensions over larger areas, can be used for the fabrication of X-ray waveguides [59,60]. Among them the formation of highly-ordered aligned carbon nanotubes and ordered arrays of uniform-sized porous in alumina is of great interest.…”

“…Among them the formation of highly-ordered aligned carbon nanotubes and ordered arrays of uniform-sized porous in alumina is of great interest. X-ray propagation in nanochannels [59] is important due to potential applications in Xray optics. A special feature of these structures is a long, hollow, inner cavity, which could act as a channel for selective radiation penetration, similar to channeling of charged particles in crystals (see [18] and Refs.…”

On X-ray waveguiding in nanochannels: Channeling formalism

“…Progress within the fields of nanotechnology and X-ray propagation will be mutually beneficial. For instance, some types of processes based on the self-organization of materials that have recently attracted considerable interest because of the possibility of preparing fine patterns of nanometer dimensions over larger areas, can be used for the fabrication of X-ray waveguides [1,2]. Among them the formation of highlyordered aligned carbon nanotubes and ordered arrays of uniform-sized porous in anodic alumina is of great interest.…”