Excitation Of Surface Electromagnetic Waves On Water
Abstract
Excitation of surface electromagnetic waves (SEW) on water was studied using optical coupling techniques at microwave frequencies. Excitation of SEW was also achieved using direct horn antenna coupling. The transmitted SEW power was increased by adding acid and salt to water. The horn antenna gave the maximum excitation efficiency 70%. It was increased to 75% by collimating the electromagnetic beam in the vertical direction. Excitation efficiency for the prism (0° pitch angle) and grating couplers were 15.2% and 10.5% respectively. By changing the prism coupler pitch angle to +36°, its excitation efficiency was increased to 82%. © 1978 Optical Society of America.
Recommended Citation
A. K. Singh et al., "Excitation Of Surface Electromagnetic Waves On Water," Applied Optics, vol. 17, no. 21, pp. 3459 - 3465, Optica, Nov 1978.
The definitive version is available at https://doi.org/10.1364/AO.17.003459
Department(s)
Electrical and Computer Engineering
International Standard Serial Number (ISSN)
2155-3165; 1559-128X
Document Type
Article - Journal
Document Version
Citation
File Type
text
Language(s)
English
Rights
© 2023 Optica, All rights reserved.
Publication Date
01 Nov 1978
