Analysis of unsymmetric coupled groove NRD guides

Li Ling Xiao

doi:10.1117/12.2297903

1 October 1991 Analysis of unsymmetric coupled groove NRD guides

Li Ling Xiao

Proceedings Volume 1576, 16th International Conference on Infrared and Millimeter Waves; 15765A (1991) https://doi.org/10.1117/12.2297903
Event: 16th International Conference on Infrared and Millimeter Waves, 1991, Lausanne, Switzerland

Abstract

Since the groove nonradiative dielectric (GNRD) guide was proposed in 1987,^[1] a series of papers for investigating theoretically and experimentally the GNRD structure have been published, and then be reviewed.^[2] In which, the advantages of the GNRD guide in both the assembling and the dispersion characteristics than that of conventional NRD guide were described. The grooves in the coupled GNRD guides are particularly valuable for precisely fitting two dielectric strips with a specific distance. Some samples of the GNRD coupler based on coupling between two identical dielectric strips had been fabricated and tested. Unfortunately, their bandwidths were generally narrow like that of the NRD couplers.

Citation Download Citation

Li Ling Xiao "Analysis of unsymmetric coupled groove NRD guides", Proc. SPIE 1576, 16th International Conference on Infrared and Millimeter Waves, 15765A (1 October 1991); https://doi.org/10.1117/12.2297903

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