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Enhanced-performance BOTDA sensing through optimized pulse coding and low-RIN bidirectional Raman amplification

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An enhanced-performance BOTDA sensor is presented combining low-RIN distributed Raman amplification and RZ Simplex-pulse coding. Results demonstrate for first time 1 m spatial resolution over 120 km distance with 1.3°C/26 µε resolutions

© 2012 Optical Society of America

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