Optical
Fiber
un
seel
.com · total internal reflection · core & cladding · trapped light
core index
1.4675
clad index
1.4622
critical angle
85.1°
loss @1550nm
0.2 dB/km
state
standby
core (high index)
cladding (low index)
guided light ray
leaked / refracted ray
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.com · Optical Fiber