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Conferences > ACPC > 2014 > ATh3A > ATh3A.202

Coherent BOTDA with Phase Modulated Probe Light and IQ Demodulation

Zonglei Li, Lianshan Yan, Liyang Shao, Wei Pan, and Bin Luo

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Abstract

Coherent BOTDA with phase modulated probe light is proposed and demonstrated. Brillouin gain spectrum (BGS) information is amplitude modulated on the GHz frequencies to reduce baseband noise perturbations and increase the spatial resolution to 2-meter.

© 2014 Optical Society of America

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