Development of three-component fiber laser geophone array system and field test analysis

Zhihui Sun; Shujuan Li; Meng Wang; Faxiang Zhang; Jiasheng Ni; Chang Wang; Chuntian Wang; Hongzhong Wang; Gangding Peng

doi:10.1117/12.2519688

14 February 2019 Development of three-component fiber laser geophone array system and field test analysis

Zhihui Sun, Shujuan Li, Meng Wang, Faxiang Zhang, Jiasheng Ni, Chang Wang, Chuntian Wang, Hongzhong Wang, Gangding Peng

Proceedings Volume 11048, 17th International Conference on Optical Communications and Networks (ICOCN2018); 110483V (2019) https://doi.org/10.1117/12.2519688
Event: 17th International Conference on Optical Communications and Networks (ICOCN2018), 2018, Zhuhai, China

Abstract

In this paper we report the development and field test of a high sensitivity 3C fiber laser geophone for seismic acquisition application. When the fiber laser geophone senses the seismic signal, its output wavelength is proportionate to the seismic signal. By detecting the wavelength shifts using interferometric demodulation method, the micro-seismic signal can be detected. We are presenting field test results for the 3C fiber laser geophone array system and comparing its performance with regular exploration geophones. The detailed information of the acquired seismic signals, e.g. waveform, frequency spectrum, and wavelet are analyzed for assessing their performance. The 3C fiber laser geophone has advantages of wide bandwidth and good high-frequency response.

Citation Download Citation

Zhihui Sun, Shujuan Li, Meng Wang, Faxiang Zhang, Jiasheng Ni, Chang Wang, Chuntian Wang, Hongzhong Wang, and Gangding Peng "Development of three-component fiber laser geophone array system and field test analysis", Proc. SPIE 11048, 17th International Conference on Optical Communications and Networks (ICOCN2018), 110483V (14 February 2019); https://doi.org/10.1117/12.2519688

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KEYWORDS

Fiber lasers

Fiber optics

Signal detection

Analytical research

Wavelets

Interferometry

Fiber optics tests

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