Ultrahigh-sensitivity fiber-optic strain and temperature sensor

被引：16
|
作者：
Friebele, EJ [1 ]
Putnam, MA
Patrick, HJ
Kersey, AD
Greenblatt, AS
Ruthven, GP
Krim, MH
Gottschalck, KS
机构：
[1] USN, Res Lab, Div Opt Sci, Washington, DC 20375 USA
[2] Hughes Danbury Opt Syst, Danbury, CT 06810 USA
来源：
OPTICS LETTERS | 1998年 / 23卷 / 03期
关键词：
D O I：
10.1364/OL.23.000222
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We report ultrahigh-sensitivity static strain sensing (noise equivalent strain less than or equal to 1.5 n epsilon rms) by two fiber etalon cavities made from silica and fluoride fibers. The anomalous thermo-optic coefficient of fluoride glass fibers allows for determination of thermal and laser drift. This sensor is also capable of simultaneous strain and temperature measurement, with errors in strain and temperature of 6.4% and 0.68%, respectively.
引用
收藏
页码：222 / 224
页数：3
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