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Proceedings Paper

Noise analysis and optimization for PGC method
Author(s): Zhiguang Dai; Changdong Tian; Kai Wang; Liwei Wang; Min Zhang; Yanbiao Liao
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Paper Abstract

We analyze the transfer factor for phase noise (NTFφ) of PGC system. According to NTFφ , we optimize the system phase noise performance by setting proper working point. Since we use hydrophones with the same Distributed Feedback (DFB) laser, the noise from laser resource takes the leading post. We build up the theory model of correlation coefficients, and demonstrated a new system using a reference interferometer with 32 coupler. The homologous noise is eliminated. We get output noise with the PSD (Power Spectral Density) 8.5dB higher than that of circuit noise and 14dB higher than that of DC intensity noise.

Paper Details

Date Published: 7 November 2012
PDF: 4 pages
Proc. SPIE 8421, OFS2012 22nd International Conference on Optical Fiber Sensors, 84218A (7 November 2012); doi: 10.1117/12.966819
Show Author Affiliations
Zhiguang Dai, Tsinghua Univ. (China)
Changdong Tian, Tsinghua Univ. (China)
Kai Wang, Tianjin Univ. (China)
Liwei Wang, Tsinghua Univ. (China)
Min Zhang, Tsinghua Univ. (China)
Yanbiao Liao, Tsinghua Univ. (China)


Published in SPIE Proceedings Vol. 8421:
OFS2012 22nd International Conference on Optical Fiber Sensors
Yanbiao Liao; Wei Jin; David D. Sampson; Ryozo Yamauchi; Youngjoo Chung; Kentaro Nakamura; Yunjiang Rao, Editor(s)

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