Optically Powered Sensor for Measuring Differential Pressure with Optical Fiber Data Link

Xiao Hong Ni; Jing Yuan; Jin Yu Wang; Yu Tian Wang

doi:10.4028/www.scientific.net/AMR.204-210.62

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 204-210Optically Powered Sensor for Measuring...

Optically Powered Sensor for Measuring Differential Pressure with Optical Fiber Data Link

Abstract:

The paper describes the operation principle of optically powered sensor to measure differential pressure. Its probe powered by LD light only consumes tens micro watt .The optical source for power and signal can be transmitted to and fro by a single multiple mode optical fiber. The power and signal lights have different wave length. The system design is introduced and its parameters are selected. The signal and power are transmitted by fiber, and the probe is low power consumption, so this pressure measuring system can work in flammable and explosive environment. Adopted differential measuring signal processing technology, its anti-noise ability is improved. Experimental results show that this system has high precision and high reliability.

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Periodical:

Advanced Materials Research (Volumes 204-210)

Pages:

62-68

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.204-210.62

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Online since:

February 2011

Authors:

Xiao Hong Ni, Jing Yuan, Jin Yu Wang, Yu Tian Wang

Keywords:

LD Light Power, Micro-Power Consumption Probe, Optical Fiber Data Link, Two Wave-Length Detection

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