A multimode step-index fibre has a core index of 1.484 and a cladding index of 1.456....
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A multimode step-index fibre has a core index of 1.484 and a cladding index of 1.456. When the fibre is overfilled with light emitted from a light-emitting diode (LED), estimate the pulse broadening 87 (in ns/km) and the bandwidth-length product (in MHz-km) of the fibre. (2 marks) Repeat the calculation in (a), when the fibre is filled with light emitted from a laser diode over a cone limited to half of the maximum acceptance angle of the fibre. Compare the results with those obtained in (a) and discuss. (6 marks) A multimode step-index fibre has a core index of 1.484 and a cladding index of 1.456. When the fibre is overfilled with light emitted from a light-emitting diode (LED), estimate the pulse broadening 87 (in ns/km) and the bandwidth-length product (in MHz-km) of the fibre. (2 marks) Repeat the calculation in (a), when the fibre is filled with light emitted from a laser diode over a cone limited to half of the maximum acceptance angle of the fibre. Compare the results with those obtained in (a) and discuss. (6 marks)
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a For an overfilled multimode stepindex fibre Core refractive index n1 1484 Cladding refractive inde... View the full answer
Related Book For
Financial and Managerial Accounting
ISBN: 978-0132497978
3rd Edition
Authors: Horngren, Harrison, Oliver
Posted Date:
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