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Number of results

Journal

2009 | 7 | 1 | 160-167

Article title

Electromagnetic plane-wave scattering from a sectorial groove in a perfectly conducting plane

Content

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Languages of publication

EN

Abstracts

EN
Scattering characteristics of plane waves by a sectorial groove in a perfectly conducting plane are investigated. Both the transverse magnetic (TM) and transverse electric (TE) polarizations of the incident wave are considered. Judicious use of the region-matching technique provides a rigorous series solution to the problem. The analyzed region is separated into two sub-regions by choosing a semi-circular auxiliary boundary. Thefield in each sub-region is expanded as a summationof proper wave functions with unknown coefficients. Enforcing the matching of conditions on the auxiliary boundary and of boundary condition on the circular-arc surface of the groove leads to a linear set of equations and the unknown coefficients are then determined. Numerical results demonstrate the influence of central angles of the sectorial groove on echo width, far-field pattern and near-field distribution. The presented geometry is easily applicable to the design and fabrication of a grating structure for optical switches and tunable filters.

Contributors

  • Department of Harbor and River Engineering, National Taiwan Ocean University, No.2, Beining Rd., Jhongjheng District, Keelung City, 202-24, Taiwan
author
  • Department of Harbor and River Engineering, National Taiwan Ocean University, No.2, Beining Rd., Jhongjheng District, Keelung City, 202-24, Taiwan

References

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Document Type

Publication order reference

Identifiers

YADDA identifier

bwmeta1.element.-psjd-doi-10_2478_s11534-008-0137-7
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