Optical fiber Fabry-Perot sensor demodulating device and method
The invention relates to an optical fiber Fabry-Perot sensor demodulating device and method. The fiber Fabry-Perot sensor demodulating device is composed of two SLED light sources, a wave division multiplexer, an optical fiber coupler, an optical fiber collimator, a cylindrical lens, an optical wedg...
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| creator | WANG WEI GAO MING CHEN HAIBIN HOU HONGLU ZHANG XIONGXING WANG KENING CHEN QINGQING |
| description | The invention relates to an optical fiber Fabry-Perot sensor demodulating device and method. The fiber Fabry-Perot sensor demodulating device is composed of two SLED light sources, a wave division multiplexer, an optical fiber coupler, an optical fiber collimator, a cylindrical lens, an optical wedge, a linear array CCD, an AD conversion module and a signal processing unit. Two SLED light sourceshaving different wavelengths are connected with one end of each of two incidence ports of the optical fiber coupler through the wave division multiplexer, an emergency port is connected with an optical Fabry-Perot sensor, the other incidence port of the optical fiber coupler is connected with the optical fiber collimator, the cylindrical lens, the optical wedge and the linear array CCD are sequentially arranged behind the optical fiber collimator, the CCD outputs detected light signals in the way of electric signals, the light signals are converted into digital signals through the AD conversion module for processing o |
| format | Patent |
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| subjects | ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVEREDIN A SINGLE OTHER SUBCLASS MEASURING MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR PHYSICS TARIFF METERING APPARATUS TESTING |
| title | Optical fiber Fabry-Perot sensor demodulating device and method |
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