The measurement of the phase constant of EH11 mode in the hollow dielectric waveguides |
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Authors: | Zhong Quan De Ciu Yifeng Liu Yan |
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Affiliation: | (1) Institute of Physics, Academia Sinica, 10080 Beijing, China;(2) Present address: Department of Physics, Beijing Polytechnic University, Beijing, China |
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Abstract: | In this paper, we presented the results of experiments of propagation phase shift in the hollow dielectric waveguides of the radius a20 with farinfrared laser (wave length =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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Keywords: | Dielectric waveguide phase constant coulping length EIR Interferometer measurement |
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