Design of a long-range single-mode OTDR

The design of a high-performance single-mode optical time-domain reflectometer (OTDR) is discussed. The approach uses a low-noise receiver with a p-i-n diode detector and transimpedance amplifier together with multichannel digital averaging. A dynamic range of 30 dB one way at 1.3 μm is demonstrated...

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Veröffentlicht in:	Journal of lightwave technology 1985-01, Vol.3 (1), p.39-46
1. Verfasser:	Gold, M.
Format:	Artikel
Sprache:	eng
Schlagworte:	Applied sciences Circuit properties Detectors Diode lasers Dynamic range Electric, optical and optoelectronic circuits Electronics Exact sciences and technology Integrated optics. Optical fibers and wave guides Low-noise amplifiers Optical amplifiers Optical and optoelectronic circuits Optical design Optical receivers P-i-n diodes Stimulated emission Time domain analysis
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Beschreibung
Zusammenfassung:	The design of a high-performance single-mode optical time-domain reflectometer (OTDR) is discussed. The approach uses a low-noise receiver with a p-i-n diode detector and transimpedance amplifier together with multichannel digital averaging. A dynamic range of 30 dB one way at 1.3 μm is demonstrated with a laser diode source, and with a Nd:YAG laser source the dynamic range is 41 dB one way.
ISSN:	0733-8724 1558-2213
DOI:	10.1109/JLT.1985.1074166