Excitation of modes in fiber, Physics

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Excitation of Modes in Fiber

  1. A multimode fiber is used to couple light into a single mode fiber. Both fibers have the same total diameter. Explain the coupling. Use equations, MATLAB, etc. if necessary.
  2. If an LED is used to excite a single mode fiber, explain the coupling of light to the fiber? Use equations, MATLAB, etc. if necessary.

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