Optical-Fiber Accelerometer Array: Nano-g Infrasonic Operation in a Passive 100 km Loop

被引：5

作者：

Littler, Ian C. M. ^{[1
]}

Gray, Malcolm B. ^{[3
]}

Lam, Timothy Tien-Yue ^{[1
]}

Chow, Jong H. ^{[1
]}

Shaddock, Daniel A. ^{[2
]}

McClelland, David E. ^{[1
]}

机构：

[1] Australian Natl Univ, Ctr Gravitat Phys, Canberra, ACT 0200, Australia

[2] Australian Natl Univ, Ctr Gravitat Phys, Canberra, ACT 0200, Australia

[3] Natl Measurement Inst, Phys Metrol Branch, Lindfield, NSW 2070, Australia

来源：

IEEE SENSORS JOURNAL | 2010年 / 10卷 / 06期

基金：

澳大利亚研究理事会;

关键词：

Acceleration measurement; fiber optics; oil industry; seismic transducers; surveillance; SENSOR; NOISE;

D O I：

10.1109/JSEN.2009.2039128

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

In this paper, an all-optical accelerometer array system is presented, ideally suited for permanent seismic seabed arrays and passive surveillance. A directly measured accelerometer resolution of better than 60 ng/root Hz (-145 dB reg/root Hz) down to 10 Hz is achieved for all channels in a completely passive 100 km fiber loop. The detection bandwidth is chosen to be from 10 to 300 Hz, with a closed-loop dynamic range of 120 dB. The crosstalk between channels spaced by 100 GHz is better than -64 dB.

引用

页码：1117 / 1124

页数：8

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