Groove guide as a low-loss transmission system for short millimetric waves

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Groove guide as a low-loss transmission system for short millimetric waves

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Groove guide promises low-loss transmission at short millimetric wavelengths, coupled with simple construction and convenient dimensions. Even though the guide is of overmoded dimensions, the groove acts as a higher-order-mode filter. Approximate analytical solutions are shown to be adequate to give sufficiently accurate propagation characteristics. Higher-mode suppression is investigated and shown to be effective at 8 mm wavelength.

Inspec keywords: waveguides

Other keywords: low loss transmission system; groove guide; overmoded dimensions; propagation characteristics; short millimetric waves

Subjects: Waveguides and microwave transmission lines

References

    1. 1)
      • F.J. Tischer . The groove guide, a low-loss waveguide for millimetre waves. IEEE Trans. , 291 - 296
    2. 2)
      • Griemsmann, J.W.E.: `Groove guide', Proceedings of symposium on quasi-optics, 1964, p. 565–578.
    3. 3)
      • J. Nakahara , N. Kurauchi . Transmission modes in the grooved guide. Sumitomo Elec. Tech. Rev. , 65 - 71
    4. 4)
      • Batt, R.J., Doswell, A., Harris, D.J., Reeves, J.M.: `Low-mode low-loss waveguides for 100–1000GHz region', Proceedings of 4th European Microwave Conference, 1974, p. 644–648.
    5. 5)
      • Yee, H.Y., Audeh, N.F.: `Wave propagation in groove guides', Proceedings of National electronics conference, 1965, 21, p. 18–23.
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