Gold, M.P. and Hartog, A.H.
Ultra-long-range OTDR in single-mode fibres at 1.3µm
Electronics Letters, 19, (13), . (doi:10.1049/el:19830315).
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A single-mode optical time-domain reflectometer (OTDR) operating at a wavelength of 1.3 µm with a dynamic range in excess of 26 dB one way is reported. The equipment incorporates a semiconductor laser source and a new low-noise optical receiver design utilising a PIN diode detector and a transimpedance amplifier.
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