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Optical time-domain reflectometer
An optical time-domain reflectometer (OTDR) is an optoelectronic instrument used to characterize an optical fiber. An OTDR is the optical equivalent of
Time-domain reflectometer
A time-domain reflectometer (TDR) is an electronic instrument used to determine the characteristics of electrical lines by observing reflected waveforms
Reflectometer
reflectivity or reflectance of reflecting surfaces Optical time domain reflectometer Reflectometer (electronics): In electronics, a directional coupler
Optical power meter
bidirectional average is made. GR-196, , Generic Requirements for Optical Time Domain Reflectometer (OTDR) Type Equipment, discusses OTDR equipment in depth.
Optical fiber connector
loss test set (OLTS) is used to test end-to-end loss, and an optical time-domain reflectometer may be used to identify significant point losses or return
Fiber-optic sensor
optical time-domain reflectometer and wavelength shift can be calculated using an instrument implementing optical frequency domain reflectometry. Fiber-optic
Signal reflection
called an electrical time-domain reflectometer (ETDR; for electrical cables) or an optical time-domain reflectometer (OTDR; for optical cables) can be used
Fiber-optic cable
Fusion splicing ISO/IEC 11801 Optical communication Optical power meter Optical time-domain reflectometer Parallel optical interface Power-over-fiber Submarine
Optical fiber
Optical amplifier Optical communication Optical mesh network Optical power meter Optical time-domain reflectometer Optoelectronics Parallel optical interface
Return loss
Hybrid balance Mismatch loss Signal reflection Time-domain reflectometer Optical time domain reflectometer Except for cases where an active device succeeds