Optical fiber grating sensors for height measurement of liquid
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1.
Institute of Laser Technology and Engineering, HUST, Wuhan, 430074
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2.
The State Key Laboratory of Precision Measurement Technology and Instruments, Tsinghua University, Beijing, 100084;
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3.
Photonics Research Center, Korea Institute of Science and Technology, Seoul
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Received Date:
1999-11-19
Accepted Date:
2000-02-28
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Abstract
A precision approach utilizing fiber grating as elements to measure height of liquid is presented and experimented and the basic issues of the sensor system design are discussed. This type of sensor can be used in precision measurement of medium measurement ranges. The sensitivity of 0.15mm/pm for measuring the height of water has been obtained.
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