Tuesday, 10 October 2017

Step index and graded index fibers :

  • In the casof STEP index fiber, the refractivindex of a coris a constant and is larger thathe refractive index of the cladding
  • The light propagation imainly by meridional raysIn the case of gradeindex fibe(GRIfiberthe refractive index of the corvaries parabolicallfrom the centeothe core having maximum refractive index to the core-cladding interfachaving constanminimum refractive index. 
  • Here the light propagation is bskerays.

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