REFERENCES
- SI Hossain et al, Analytical approximations for the propagation characteristics of dual-mode fibres, IEEE J Quantum Electron, vol QE-19, pp 15–21, 1983.
- T Okoshi & K Hotate, Measurement of refractive-index profiles of optical fibers and preforms, Japan Ann. Reviews in Electron Comp and Telecom, vol 5, Optical Devices and Fibres, 1983.
- E Bianciardi & V Rizzoli, Propagation in graded-core fibres: A unified numerical approach, Opt Quantum Electron, vol 9, pp 121–133, 1977.
- A Sharma & A K Ghatak, A simple numerical method for the cut-off frequency of a single mode fiber with an arbitrary index profile, IEEE Trans, vol MTT-29, pp 607–610, 1981.
- J P Meunier et al, A numerical technique for the determination of propagation characteristics of inhomogeneous planar optical waveguides, Opt Quantum Electron, vol 15, pp 77–85, 1983.
- K Hotate & T Okoshi, Formula giving single mode limit of optical fiber having arbitrary refractive index profiles, Electron Lett, vol 14, pp 246–248, 1978.
- R A Sammut & A K Ghatak, Perturbation theory of optical fibers with power law core profiles, Opt Quantum Electron, vol 10, pp 475–482, 1978.
- J P Meunier et al. Perturbation theory for the evaluation of the normalized cut-off frequencies in radially inhomogeneous fibres, Electron Lett, vol 16, pp 27–29, 1980.
- E K Sharma et al, Calculation of cut-off frequencies in optical fibers for arbitrary profiles using the matrix method, IEEE J Quantum Electron, vol QE-17, pp 2317–2321, 1981.
- A C Bouconvalas & C D Papageorgiou, Cut-off frequencies in optical fibers of arbitrary refractive index profile using the resonance techniques, IEEE J Quantum Electron, vol QE-18, pp 2027–2031, 1982.
- P Y P Chen, Wave propagation in transversely inhomogeneous dielectric waveguide, Electron Lett, vol 17, pp 736–737, 1982.
- P Y P Chen, Fast method for calculating cut-off frequencies in single-mode fibers with arbitrary index profiles, Electron Lett, vol 18, pp 1048–1049, 1982.
- A Alphones, Comment on 'Fast method for calculating cut-off frequencies in single-mode fibres with arbitrary index profiles’, Electron Lett, vol 21, p 966, 1985.
- Y Kokubun & K. Iga, Formulas for TE01 cut-off in optical fibres with arbitrary index profiles, J Opt Soc Am, vol 70, pp 36–40 1980.