
55
3
Optical Fibers:
Signal Attenuation and Dispersion
This chapter describes the mechanism and properties of light-wave modulated signals
w
hen
t
hey
p
ropagate
i
n
o
ptical
bers,
s
ingle-mode
o
ptical
bers
(
SMFs)
o
nly,
i
n
p
articular
s
tandard
S
MF
(
SSMF)
a
nd
n
onzero
d
ispersion-shifted
bers
(
NZDSFs)
a
nd
d
ispersion-
compensating
bers.
A
ttenuation
a
nd
d
ispersion
e
ffects,
t
he
t
wo
p
rincipal
p
henomena
i
n
t
he design of transmission systems, are described in detail.
3.1 Introduction
In Chapter 2, the basic structure and fundamental aspects of light wave propagation in
o
ptical
bers
w
ere
t
reated.
I
n
p
articular,
S
MFs
p
rovide
t
he
b
asic
s
tructure
f
or
s
tandard ...