ETA Fiber/ fiber optics Questions with 100%
Correct Answers
L.A.S.E.R
light amplification by stimulated emission of radiation
GTE installs first commercial fiber systems in place for service in
1977
Advantages of Fiber
Bandwidth
weight
security
fiber fabrication steps
making a preform;
drawing fiber
preform types (3)
MCVD, OVD, VAD
layers of fiber
core, cladding, acrylate coating, buffer
Core size of multimode cables
62.5um and 50um
core size of single mode cables
8.3-10um
, cladding size
125um
acrylate coating size
250um
buffer size
900um
purpose of cladding
total internal reflection (traps the light)
purpose of buffer
protects fiber
purpose of coating
helps w/ flexibility
what color is a single mode fiber cable
yellow
what color is a multimode fiber cable
orange
types of fiber cables
multimode, step-index
multimode, graded-index
singlemode
Correct Answers
L.A.S.E.R
light amplification by stimulated emission of radiation
GTE installs first commercial fiber systems in place for service in
1977
Advantages of Fiber
Bandwidth
weight
security
fiber fabrication steps
making a preform;
drawing fiber
preform types (3)
MCVD, OVD, VAD
layers of fiber
core, cladding, acrylate coating, buffer
Core size of multimode cables
62.5um and 50um
core size of single mode cables
8.3-10um
, cladding size
125um
acrylate coating size
250um
buffer size
900um
purpose of cladding
total internal reflection (traps the light)
purpose of buffer
protects fiber
purpose of coating
helps w/ flexibility
what color is a single mode fiber cable
yellow
what color is a multimode fiber cable
orange
types of fiber cables
multimode, step-index
multimode, graded-index
singlemode
