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Sensors 2014, 14(3), 5677-5686; doi:10.3390/s140305677
Article

An Integrated Photoluminescence Sensing Platform Using a Single-Multi-Mode Fiber Coupler-Based Probe

1,* , 2
 and 3,*
Received: 6 November 2013; in revised form: 27 February 2014 / Accepted: 6 March 2014 / Published: 21 March 2014
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Abstract: We demonstrate an integrated fiber optic photoluminescence sensing platform using a novel single-multi-mode fiber coupler (SMFC)-based probe with high collection efficiency for fluorescence signals. The SMFC, prepared using fused biconical taper technology, not only transmits excitation light, but also collects and transmits fluorescence. The entire system does not use complex optical components and rarely requires optical alignment. The simple structure of the SMFC considerably improves the light transmission efficiency, signal-to-noise ratio, and sensitivity of the system. Theoretical and experimental results show that the proposed probe increases the collection efficiency by more than eight-fold compared with a bifurcated fiber probe. The performance of the proposed probe was experimentally evaluated by measuring the fluorescence spectra of well-known targets and a fresh Tall Fescue leaf.
Keywords: photoluminescence; optical fiber coupler; fiber probe; fluorescence measurement photoluminescence; optical fiber coupler; fiber probe; fluorescence measurement
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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MDPI and ACS Style

Long, F.; Zhu, A.; Shi, H. An Integrated Photoluminescence Sensing Platform Using a Single-Multi-Mode Fiber Coupler-Based Probe. Sensors 2014, 14, 5677-5686.

AMA Style

Long F, Zhu A, Shi H. An Integrated Photoluminescence Sensing Platform Using a Single-Multi-Mode Fiber Coupler-Based Probe. Sensors. 2014; 14(3):5677-5686.

Chicago/Turabian Style

Long, Feng; Zhu, Anna; Shi, Hanchang. 2014. "An Integrated Photoluminescence Sensing Platform Using a Single-Multi-Mode Fiber Coupler-Based Probe." Sensors 14, no. 3: 5677-5686.


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