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23 August 2011Performance enhancement of Raman optical time domain reflectometer using Golay codes
We show the performance enhancement of a distributed temperature sensing system based on Raman scattering in
optical fibers by using correlation codes. Specifically, we demonstrate experimentally that the use of Golay sequences
provide an improvement in the signal to noise ratio by a factor of 10 dB, thereby providing an improvement in the
temperature uncertainty by a factor of 2.5 over conventional technique.
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Amitabha Datta, Vinayak Srimal, Balaji Srinivasan, "Performance enhancement of Raman optical time domain reflectometer using Golay codes," Proc. SPIE 8173, Photonics 2010: Tenth International Conference on Fiber Optics and Photonics, 81731R (23 August 2011);