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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 17, Iss. 21 — Nov. 1, 1978
  • pp: 3459–3465

Excitation of surface electromagnetic waves on water

A. K. Singh, C. A. Goben, M. Davarpanah, and J. L. Boone  »View Author Affiliations


Applied Optics, Vol. 17, Issue 21, pp. 3459-3465 (1978)
http://dx.doi.org/10.1364/AO.17.003459


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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

History
Original Manuscript: October 13, 1977
Published: November 1, 1978

Citation
A. K. Singh, C. A. Goben, M. Davarpanah, and J. L. Boone, "Excitation of surface electromagnetic waves on water," Appl. Opt. 17, 3459-3465 (1978)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-17-21-3459

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