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akshaygore

  • one year ago

why medium of core in optical fiber is not air?

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  1. Shadowys
    • one year ago
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    it'll have to be a light dense medium(relative to the cladding) for total internal reflection in the fibers to ocur.

  2. ash2326
    • one year ago
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    Light should travel in a medium of higher refractive index than the cladding material,. otherwise there won't be Total Internal Reflection. Air has the least refractive index after vacuum

  3. Mashy
    • one year ago
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    i think you could have asked why we need cladding in the first place.. why won't just a glass tube (core) do the job?

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