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期刊论文
Universal Fiber-Optic Point Sensor System for Quasi-Static Absolute Measurements of <ultiparameters Explotiting Low Coherence nterrogation
JOURNAL OF LIGHTWAVE TECHNOLGY, VOL. 14, NO.4 APRIL 1996,-0001,():
A universal fiber-optic high-resolution point sensor system, based upon singal recoversy by dual-wayelength low coherence interferometry, has been developed and demonstrated ofor quasistatic absolute measurements of multiparameters. This system is coapable of multiplexing up to 32 fiber-optic point sensors which can be fiber optic interfermoeters or fiber Bragg gratings or any combination of the two. The topology of this system isbased on a spatially multiplexd scheme with low coherence singal recovery that we have reported previously.A range of mutiparameter point sensors, including a medium pressure sneor, a high pressure sensor, a miniature temperature sensor, a displacemnt sensor, and a fiber Bragg grating strain sensor with drift-compensation, have been developd and incorporated into thsi netowrk and demonstrated. A range to resolution of better than 104:1 and 2
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