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OTDR Launch Fibers - Importance and Usage

Posted by Kevin Miller on Tue, Nov 29, 2011 @ 14:11 PM

An Optical Time Domain Reflectometer (OTDR) is an optical measurement instrument designed to detect faults, splices and bends in optical fiber cables.  It functions by launching pulses of light into the optical fiber and measuring the back reflections created by the faults, splices, and bends.  It can identify the exact location of the fault by measuring the round trip time from the launch to the detection of the reflected returning pulse.  The time is determined by the speed of light in the glass core of the optical fiber.

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Topics: optical fiber, otdr, launch fiber, dead zone, launch box, otdr launch