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Optical frequency domain reflectometry with a narrow linewidth fiber laser

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Published in IEEE Photonics Technology Letters. 2000, vol. 12, no. 7, p. 867-869
Abstract The present a new optical frequency domain reflectometer based on a tunable fiber laser with a very narrow linewidth (about 10 kHz). This instrument performs reflectivity measurements with -110 dB sensitivity and 80 dB dynamic range. The narrow linewidth allows long-range measurements, at 150 m, with a spatial resolution of 16 cm. At short range, about 5 m, the resolution increases to subcentimeter.
Keywords Frequency modulationOFDRTunable laser.
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OBERSON, Philippe et al. Optical frequency domain reflectometry with a narrow linewidth fiber laser. In: IEEE Photonics Technology Letters, 2000, vol. 12, n° 7, p. 867-869. https://archive-ouverte.unige.ch/unige:37028

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Deposited on : 2014-06-02

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