... elementtechniques [20] to find the solutions for the fiber modes. In Marcuse’s derivation,the fundamental mode field shape was approximated as Gaussian, while anumber of simplifying assumptions were used in ... asC2lp¼k22R10dndrE01E1prdr !2R10E201rdrR10E21prdr,(2:35)where E01and E1pare electric fields of guided mode and leaky mode, respec-tively. The power spectrum of the Gaussian deformation ... original signal. In contrast, the auto-correlation function of aMendez / Specialty Optical Fibers Handbook ch02 page 57 26.10.2006 6:46pmMicrobending Loss 57aperiodic signal, with randomly varying...