| |
| Optical
amplifier |
In
cases where light is launched into an optical fiber,
backreflection refers to the light that is returned
to the launch point. |
| Optical
time domain reflectometer (OTDR) |
An
optical device, such as a partially reflecting mirror,
that splits a beam of light into two or more beams.
Used in fiber optics for directional couplers. |
| Overfilled
launch |
The
logarithm to the base 10 of a power ratio, expressed
as B = log10(P1/P2), where P1 and P2 are distinct
powers. The decibel, equal to one-tenth bel, is
a more commonly used unit. |
|
|
