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An all-fiber graphene oxide (GO) based ‘FRET on Fiber’ concept is proposed and applied in biochemical detections. This method is of both good selectivity and high sensitivity, with detection limits of 1.2 nM, 1.3 μM and 1 pM, for metal ion, dopamine and single-stranded DNA (ssDNA), respectively.
We report a low threshold, high efficiency random fiber laser with hybrid Erbium-Raman gain. The numerical analysis is made to describe the power performance of the proposed Erbium-Raman random fiber laser and reveal the high efficiency generation in this simple configuration. Thanks to the hybrid gain, the experimentally achieved laser threshold has been reduced to 60 mW. The optical conversion efficiency...
This paper reviews recent progress in random fiber lasers (RFLs), including fundamental studies on their physical characteristics, design and analysis, as well as their applications, i.e., novel lasers, sensing, and amphfication indicating that RFLs would have an impact on Fiber Optics. Furthermore, the research progress in RFLs at University of Electronic Science and Technology of China (UESTC) is...
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