论文信息 - Precise Brillouin phase spectrum measurement in coherent BOTDA sensor with phase fluctuation cancellation

Precise Brillouin phase spectrum measurement in coherent BOTDA sensor with phase fluctuation cancellation

It's the first time to comprehensively and theoretically analyze the effect of the phase fluctuation on the shape of Brillouin phase spectrum, and the first time to design a new experimental setup to fully cancel phase fluctuation induced measurement errors.

[1] Wei Pan,et al. Coherent BOTDA sensor with intensity modulated local light and IQ demodulation. , 2015, Optics express.

[2] Ander Zornoza,et al. Dynamic BOTDA measurements based on Brillouin phase-shift and RF demodulation. , 2012, Optics express.

[3] Mikel Sagues,et al. Phasorial differential pulse-width pair technique for long-range Brillouin optical time-domain analysis sensors. , 2014, Optics express.

[4] W. Pan,et al. Phase fluctuation cancellation of anonymous microwave signal transmission in passive systems. , 2014, Optics express.

[5] Mikel Sagues,et al. BOTDA measurements tolerant to non-local effects by using a phase-modulated probe wave and RF demodulation. , 2013, Optics express.

[6] G. Bolognini,et al. Simplex-Coded BOTDA Sensor Over 120-km SMF With 1-m Spatial Resolution Assisted by Optimized Bidirectional Raman Amplification , 2012, IEEE Photonics Technology Letters.

[7] Mikel Sagues,et al. Synthesis of Brillouin frequency shift profiles to compensate non-local effects and Brillouin induced noise in BOTDA sensors. , 2014, Optics express.