Dipole modes on open periodic structures — an experimental study
Boness, K. D. and Midgley, D. (1977) Dipole modes on open periodic structures — an experimental study. Interrnational Journal of Electronics, 42 (3). pp. 273-286. ISSN 1362-3060
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To link to this article DOI: 10.1080/00207217708900640
An experimental study is made of the lower pass-band of waveguides built as necklaces of oblate spheroids. Short lengths of guide are tested in open resonators. The dominant mode is found to be a glow-wave dipole type having no low-frequency cut off. High Q factors indicate low attenuations. Perturbation measurements demonstrate this energy to be concentrated in the vicinity of the guide.