The optical time-domain reflects meter is OTDR and used to
characterize specific optical fibers, it is an optoelectronic instrument. For
extracting light as well as testing of that fiber, this tool injects optical
pulses in series into fibers and fusion splicer.
The light is reflected back from points where the refraction
changes in that specific fiber. The strength of return pulses in time is then
measured and then under a function of the fiber length, plotted.
To estimate the length of fiber's attenuation such as
connector losses and splice, OTDR tools are used for helping. To help find
breaks or faults, this tool can also be used to measure the optical return
loss. For their graphical display, these tools are also used as they can offer
additional test automation. To use properly, they require special experience
and training even though the self-explanatory information is provided on
screen.
To find the length or loss of fiber from the point of
cabling to manufacture and warehousing in a drum, OTDR tools are used and then through
splicing and installing. For warranty problems or later use of fiber failures,
OTDR tests are stored as these failures can be very expensive.
You can buy fiber tool kit online. For finding
faults, these tools are commonly used in installed systems. To find where the
problem lies, Reference helps in these cases. A professional operator is
required for using an OTDR for finding faults who can determine the settings
required for such a job especially in cases over connectors or splices and
longer distances than with other PONs are closely situated.
With different fiber wavelengths or types, an OTDR can be
available so that you can match common applications. By the output powers,
input sensitivity, signal integration time as well as optical pulse width, the
optical dynamic range of OTDR tools are limited. You can clean the fiber cable
with fiber cleaner.
On these tools, the integration time and an optical pulse
signal can be adjusted. The attenuation and range measurement resolutions are
improved by longer laser pulses, but from the distance resolutions, they must
take away. The distance resolution of optical events will be helped by short
pulse lengths and can reduce the range of attenuation or measurement.
