35. Macroscopic Bending
If a fiber bends and if the radius is more in bending when compared to
the core radius, then it is Macroscopic Bending
36. Macroscopic bending or Bending Loss
Attenuation Constant
Radius of Curvature
Number of Effective modes for a curved multimode fiber
Total guided modes in a straight fiber
37.
38.
39. Microbend – Minimizing method
Microbend loss reduces by a factor as follows by the use of jacket
40. Core Cladding Losses
Loss for a step index waveguide
Loss for a several lower order modes
Loss in a graded index fiber
The loss encountered by a given mode