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Optical Fiber Communications 4th Edition by Gerd Keiser
Edition 4ISBN: 978-0073380711Optical Fiber Communications 4th Edition by Gerd Keiser
Edition 4ISBN: 978-0073380711 Exercise 8
Determine the normalized frequency at 820 nm for a step-index fiber having a 25- m core radius, n 1 = 1.48, and n 2 = 1.46.
( b ) How many modes propagate in this fiber at 820 nm
( c ) How many modes propagate in this fiber at 1320 nm
( d ) How many modes propagate in this fiber at 1550 nm
( e ) What percent of the optical power flows in the cladding in each case
( b ) How many modes propagate in this fiber at 820 nm
( c ) How many modes propagate in this fiber at 1320 nm
( d ) How many modes propagate in this fiber at 1550 nm
( e ) What percent of the optical power flows in the cladding in each case
Explanation
Verified
Verified
From Eq. (2.58),
V = 
= 46.5
Using Eq. (...
Optical Fiber Communications 4th Edition by Gerd Keiser
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