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Title: Towards label-free distributed fiber hydrogen sensor with stimulated Raman Spectroscopy
Authors: Yang, F 
Zhao, Y 
Qi, Y 
Tan, YZ 
Ho, HL 
Jin, W 
Issue Date: 2019
Publisher: Optical Society of America
Source: Optics express, 29 Apr. 2019, v. 27, no. 9, p. 12869-12882 How to cite?
Journal: Optics express 
Abstract: Hydrogen detection is of great importance in chemical and energy industries. Optical fiber hydrogen sensors show flexibility and compactness, and have the potential for distributed analysis. However, traditional fiber sensors encounter a challenge with light interacting with hydrogen directly because hydrogen only displays weak quadrupole absorption, and metallic palladium and platinum thin-film coatings are typically used as an optically detectable label. Here, based on stimulated Raman spectroscopy in hollow-core photonic crystal fibers, we investigate the label-free optical fiber distributed hydrogen sensors operating in the optical telecommunication band. The approach of distributed Raman measurement represents a new paradigm in fiber sensors, potentially allowing distributed chemical analysis in gas or liquid phase with high sensitivity and selectivity.
EISSN: 1094-4087
DOI: 10.1364/OE.27.012869
Rights: © 2019 Optical Society of America under the terms of the OSA Open Access Publishing Agreement (
The Author(s) agree that all copies of the Work made under any of the above rights shall prominently include the following copyright notice: “© 2019 Optical Society of America. Users may use, reuse, and build upon the article, or use the article for text or data mining, so long as such uses are for non-commercial purposes and appropriate attribution is maintained. All other rights are reserved.
The following publication Yang, F., Zhao, Y., Qi, Y., Tan, Y. Z., Ho, H. L., … & Jin, W. (2019). Towards label-free distributed fiber hydrogen sensor with stimulated Raman Spectroscopy. Optics express, 27(9), 12869-12882 is available at
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