Abstract
The coupling between two parallel dielectric waveguides with a finite coupling length is investigated. The ends of the waveguides are tapered in order to reduce the scattering losses. It is shown that the taper sections can be utilized to achieve an effective coupling which is insensitive to the coupling length, thus, providing a much greater tolerance for the design and manufacturing of coupling devices.
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References
S. T. Peng, “Transitions in Millimeter Waveguides,” SPIE Millimeter Wave Technology Conference, Arlington, VA, April 8–12, 1985.
S. T. Peng, S. J. Xu and F. K. Schwering, “Scattering of Surface Waves by Nonuniform dielectric Waveguides,” IEEE MTT International Microwave Symposium Digest, PP. 627–630, St.
S. T. Peng and A. Oliner, “Guidance and Leakage Properties of a Class of Open Dielectric Waveguides,” IEEE Trans. MTT-29, pp. 843–855, Sept. 1981.
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Xu, S.J., Peng, S.T. & Schwering, F.K. Analysis of coupling between two parallel dielectric waveguides. Int J Infrared Milli Waves 8, 1001–1013 (1987). https://doi.org/10.1007/BF01010807
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DOI: https://doi.org/10.1007/BF01010807