Attenuation Factor of an Optical Fibre Calculator

Attenuation Factor of an Optical Fibre Calculator

Incident angle (θ_i)

degree

Wavenumber of the EM wave in vacuum (K₀)

m^-1

Refractive index along the central axis of the fiber

Refractive index of the cladding

CALCULATERESET

Result

Attenuation constant

dB/m

where

    θ_i is the angle the ray makes with the fiber axis, before entering the fiber,

    k₀ is the wavenumber of the EM wave in vacuum,

    n1 is the refractive index along the central axis of the fiber, and

    n2 is the refractive index of the cladding.