Abstract
In this paper, we presented the results of experiments of propagation phase shift in the hollow dielectric waveguides of the radius a∼20λ with farinfrared laser (wave length λ=0.337mm). The experimental results agree well with theoretical expecting values. The results also show that it is to exist a coupling length between TEMoo mode and the funtamental hybrid waveguide EH11 mode. The coupling length is obtained from our measurement.
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Zhong Quan De, Yifeng, C. & Yan, L. The measurement of the phase constant of EH11 mode in the hollow dielectric waveguides. Int J Infrared Milli Waves 10, 313–320 (1989). https://doi.org/10.1007/BF01009330
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DOI: https://doi.org/10.1007/BF01009330