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The core diameter of multimode step index fibre is 50$\mu$m. The numerical aperture is 0.25. Calculate the number of guided modes at an operating wavelength of 0.75$\mu$m?
written 5.3 years ago by gravatar for vermavarsha432 vermavarsha432 • 1000 modified 4.1 years ago by gravatar for sanketshingote sanketshingote • 100
advanced engineering physics
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written 5.2 years ago by gravatar for vermavarsha432 vermavarsha432 • 1000

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