With an appropriate diagram, explain the construction of graded index

Question

With an appropriate diagram, explain the construction of graded index multimode fibre. How does it reduce the modal dispersion?

28 Jan 2026

Answer :

Word Count : 277

A graded index multimode optical fibre consists of a cylindrical core surrounded by a cladding, where the refractive index of the core is not uniform but varies gradually with radial distance from the centre. The refractive index is maximum at the core axis and decreases continuously towards the core–cladding boundary, following an approximately parabolic profile. ___ _______ _______ _______ _______ __________ ________ ________.
________ __________ _________ ______ __________.
___ ____ ___ _____ __________ ____.
________ __________ __________ ____ ________ _____ _____.
___ _________ ________ __________ ____ ___ _________.
__________ ___ _____ ______ __________ ___ ________ ______.
___ _____ _________ ___ ______ ________ _____ ________.
___ _______ ________ _____ ____ _________ _____.
_____ ________ ______ ____ ____ _________ ________ __________ _______ _______ ____ ___.
_______ ____ _________ _____ __________ ___ __________ ____ ____.
_____ _____ ____ ______ _________ ____ ___ __________ ___ _______ _________.
__________ _________ ___ ___ ____ _____ _________ ____ _________ _____ __________.
_____ ____ __________ _______ _________.
_______ __________ _________ ___ ______ _____ ________.
_________ ___ _____ ___ ____ ____ ___.
_______ ______ ________ ________ _______ ________ _____ __________ _________.
________ ______ ____ _______ _______ _______ ______ _______ _______ _____ ___ ________.
______ __________ _____ ________ ____ _______ __________ ___ __________ _______ ____.
__________ ____ ________ _________ ______ _______ ________ ______ ________ __________.
_____ ____ ____ __________ _________ _____ ________ ________ _____ _____ ________ _____.
_______ _________ _______ __________ ___ __________ ______ _____ ___ ______ ___ _____.
______ ______ _____ ________ __________ ____ _______ _______ _________ __________ _______ _________.
_________ ____ _________ ________ ______ ___ _______ ________.
____ ___ ___ __________ _____ ______ _______ __________.
_____ ___ _________ __________ ____ ________ _________.
_________ _________ __________.
Get Full Answer on WhatsApp

IGNOU Solved Assignments Assignments Ignou Projects Project Previous Year Solved Exam Papers Notes Notes Sample Question Papers Sample Question Papers

IGNOU NEWS

Assignment Submission Last Date Extended Till 30 June 2026 Click Here★★★IGNOU June 2026 TEE Date Sheet Released Click Here★★★