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|Title:||Long-distance fiber sensor system based on the second-order Raman pump and amplification|
|Source:||Dong, B., Hu, J., Chen, Z., Yu, C. (2012-07). Long-distance fiber sensor system based on the second-order Raman pump and amplification. Applied Physics B: Lasers and Optics 108 (1) : 57-60. ScholarBank@NUS Repository. https://doi.org/10.1007/s00340-012-5112-8|
|Abstract:||We demonstrate a novel technique to realize a long-distance fiber sensor system based on the second-order Raman pump and amplification. With the second-order Raman pump and amplification, a gain spectrum around 1582-nm is achieved. It serves as not only the optical source for the remote fiber sensor but also the filter to intensity modulated the wavelength shift of the fiber sensor. A long-distance fiber strain sensor system is demonstrated by adopting a fiber Fabry-Pérot sensor. Experimental results show that the wavelength shift of the sensor in response to the strain is simultaneously intensity modulated by the steep slope with a high sensitivity, while it is temperature insensitive. With the side gain spectrum served as a quasi-linear filter, the sensor can also be quasi-linearly intensity-modulated. © 2012 Springer-Verlag.|
|Source Title:||Applied Physics B: Lasers and Optics|
|Appears in Collections:||Staff Publications|
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