Journal
IEEE TRANSACTIONS ON MICROWAVE THEORY AND TECHNIQUES
Volume 65, Issue 7, Pages 2214-2227Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TMTT.2017.2653773
Keywords
Axial symmetry; body of revolution; boundary integral equation (BIE); dielectric resonator; electric field integral equation (EFIE); magnetic field integral equation (MFIE); Nystrom method; whispering-gallery mode (WGM)
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Funding
- Swedish Research Council [621-2014-5159]
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A high-order convergent and robust numerical solver is constructed and used to find complex eigenwavenumbers and electromagnetic eigenfields of dielectric objects with axial symmetry. The solver is based on Fourier-Nystrom discretization of combined integral equations for the transmission problem and can be applied to demanding resonance problems at microwave, terahertz, and optical wavelengths. High achievable accuracy, even at very high wavenumbers, makes the solver ideal for benchmarking and for assessing the performance of general-purpose commercial software.
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