Cladding in glass fibre have high refractive index than the core.

Related MCQs

• Calculate the numerical aperture of an optical fibre whose core and cladding are made of materials of refractive index 1.6 and
• A step-index fibre has a numerical aperture of 0.26, a core refractive index of 1.5 and a core diameter of 100micrometer. Calculate the acceptance angle.
• How does the refractive index vary in Graded Index fibre?
• Multimode graded index fibers with wavelength of 0.85μm have numerical aperture of 0.29 have core/cladding diameter of                        
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