Ultra-high sensitive optical fiber hydrogen sensor using self-referenced demodulation method and WO-PdPt-Pt composite film
Optics Express, ISSN: 1094-4087, Vol: 25, Issue: 3, Page: 2009-2015
2017
- 12Citations
- 20Captures
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Example: if you select the 1-year option for an article published in 2019 and a metric category shows 90%, that means that the article or review is performing better than 90% of the other articles/reviews published in that journal in 2019. If you select the 3-year option for the same article published in 2019 and the metric category shows 90%, that means that the article or review is performing better than 90% of the other articles/reviews published in that journal in 2019, 2018 and 2017.
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Metrics Details
- Citations12
- Citation Indexes12
- 12
- CrossRef9
- Captures20
- Readers20
- 20
Article Description
A novel fiber optic hydrogen concentration detection platform with significantly enhanced performance is proposed and demonstrated in this paper. The hydrogen sensing probe was prepared by depositing WO-PdPt-Pt composite film on the fiber tip of two Bragg gratings paired with high-low reflectivity. At a room temperature of 25°C, the hydrogen sensor has a significant response towards 10 ppm hydrogen in nitrogen atmosphere, and may detect tens of ppb hydrogen changes when the hydrogen concentration is between 10-60 ppm. Besides, the proposed system shows quick response when the hydrogen concentration is above 40 ppm. Moreover, the hydrogen sensor shows good repeatability during the hydrogen response. This work proposes a new concept to develop hydrogen sensing technology with ultra-high sensitivity, which can significantly promote its potential application in various fields, especially for ultra-low hydrogen detection in oxygen-free environment.
Bibliographic Details
http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=85011656482&origin=inward; http://dx.doi.org/10.1364/oe.25.002009; http://www.ncbi.nlm.nih.gov/pubmed/29519049; https://www.osapublishing.org/abstract.cfm?URI=oe-25-3-2009; https://www.osapublishing.org/viewmedia.cfm?URI=oe-25-3-2009&seq=0; https://opg.optica.org/abstract.cfm?URI=oe-25-3-2009; https://dx.doi.org/10.1364/oe.25.002009; https://opg.optica.org/oe/abstract.cfm?uri=oe-25-3-2009
The Optical Society
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