✦ LIBER ✦

A 3-component fiber-optic accelerometer for well logging

✍ Scribed by N. Zeng; C.Z. Shi; M. Zhang; L.W. Wang; Y.B. Liao; S.R. Lai

Publisher: Elsevier Science
Year: 2004
Tongue: English
Weight: 371 KB
Volume: 234
Category: Article
ISSN: 0030-4018
DOI: 10.1016/j.optcom.2004.02.008

No coin nor oath required. For personal study only.

✦ Synopsis

A 3-component (3-C) fiber-optic accelerometer suitable for well logging is presented. The accelerometer can accomplish the 3-C measurement by multiplexing three unidirectional sensing elements which are based on a push-pull mass-spring structure. Experimental results show good linearity, consistency and stability. The suitable measurement frequency range of the system is between 3 and 800 Hz. The on-axis sensitivity, cross-sensitivity and minimum detectable level are 39 dB re rad/g, 14 dB re rad/g and 39.3 lg/Hz 1=2 , respectively.

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