The FDM-OTDR encodes multiple probe pulses at different frequencies, in the same time frame that conventional C-OTDRs send out a single pulse. This frequency-division-multiplexing enables larger data acquisition in the same measurement time compared to C-OTDRs. As a result the FDM-OTDR can achieve higher dynamic range with the same measurement time, or a significantly reduced measurement time with the same dynamic range.
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22ps picosecond Electrical Pulse Generator
Bandwidth-Variable Tunable Optical Filter(O-, E-, S-, C+L-band)
Frequency-Division-Multiplexed Coherent OTDR
Multi Channel Narrow Linewidth Tunable Laser
Low Noise Optical Amplifer, 40dB Gain, NF<3.8dB
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