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What are step index and graded index fiber. Explain their refractive index profile. Why a ray of light is Zigzag in SI fiber and spiral in GRIN fiber?
written 7.9 years ago by gravatar for neeta.vanage neeta.vanage • 880 modified 3.9 years ago by gravatar for pedsangini276 pedsangini276 • 4.8k

Subject :- Applied Physics 2.

Topic :- Laser.

Difficulty :- Medium.
engineering physics
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written 7.8 years ago by gravatar for neeta.vanage neeta.vanage • 880

Depending upon refractive index optical fiber classified into two types

Step index: -

  1. The R.I index changes abruptly at core cladding boundary because of which is called step index fiber.

  2. Light in step index fiber fallows a zigzag path inside the fiber.

  3. Refractive index of core has a constant value. …

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