Optical time-domain reflectometry with centimetre resolution at 10 −15 W sensitivity
- 17 July 1986
- journal article
- Published by Institution of Engineering and Technology (IET) in Electronics Letters
- Vol. 22 (15) , 818-819
- https://doi.org/10.1049/el:19860561
Abstract
We report photon-counting optical time-domain refiectometry tests performed at 0.83 μm wavelength with a special silicon detector, the single-photon avalanche diode (SPAD). High sensitivity and centimetre resolution are demonstrated, suitable for accurate local characterisation of fibre systems and components (connectors, couplers etc.).Keywords
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