Acta Optica Sinica, Volume. 13, Issue 4, 356(1993)
Propagation characteristics and loss of metal-clad graded index optical waveguides
A method to analyse propagation characteristics and loss of the metal-clad graded-index optical waveguides is proposed. The propagation constant and attenuation coefficient are calculated by using perturbation and multi-layer approximation for graded-index waveguides with the aid of recursion formulas. Metal-clad waveguides with typical refractive index profiles are analysed and discussed. The numerical results of this method agree well with those by exact numerical calculations.
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[in Chinese], [in Chinese]. Propagation characteristics and loss of metal-clad graded index optical waveguides[J]. Acta Optica Sinica, 1993, 13(4): 356