| Article ID | Journal | Published Year | Pages | File Type |
|---|---|---|---|---|
| 10641329 | Photonics and Nanostructures - Fundamentals and Applications | 2012 | 7 Pages |
Abstract
⺠A diffractionless beam can be obtained using periodically arranged donut (torus) waveguides. ⺠The Bessel like field distribution is observed at the output of the waveguide. ⺠The diameter of the diffractionless beam is of the order of magnitude of the wavelength. ⺠The structure may be built for electromagnetic waves of any wavelength, including radiowaves, microwaves, infrared light, visible light and UV light.
Keywords
Related Topics
Physical Sciences and Engineering
Materials Science
Electronic, Optical and Magnetic Materials
Authors
Ya-Lun Tsai, Jyun-Hong Lu, Hua-Kung Chiu, Ching-Yi Chen, Chii-Chang Chen, Jenq-Yang Chang,