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Correction to effective index method for rectangular dielectric waveguides

Correction to effective index method for rectangular dielectric waveguides

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© The Institution of Electrical Engineers
Published

A new method for obtaining the propagation characteristics of dielectric waveguides is presented. The method is based on a linear combination of three approximations. A comparison with a rigorous analytical method shows that the method presented is very accurate, even in the cutoff region. The method is easy to implement and requires minimal computational effort.

Inspec keywords: dielectric waveguides; waveguide theory; rectangular waveguides

Other keywords: computational effort; cutoff region; linear combination; propagation characteristics; rigorous analytical method; effective index method; rectangular dielectric waveguides

Subjects: Waveguides and microwave transmission lines; Waveguide and cavity theory

References

    1. 1)
      • D.A. Roberts , M.S. Stern . Accuracy of method of moments and weighted index method. Electron. Lett. , 784 - 785
    2. 2)
      • van Splunter, J.M., Blok, H., Baken, N.H.G., Dane, M.F.: `Computational analysis of propagation properties of integrated-optical waveguides using a domain integral equation', Proc. URSI, August 1986, Budapest, p. 321–323.
    3. 3)
      • Knox, R.M., Toulios, P.P.: `Integrated circuits for the millimeter through optical frequency range', Proceedings of MRI Symposium on submillimetre waves, 1970, Brooklyn, Polytech. Press.
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