Polymer-Filled In-Fiber Mach-Zehnder Interferometer with Pt-loaded WO3 Coating for Trace Hydrogen Detection
2020
A highly sensitive hydrogen optical fiber sensor based upon Mach-Zehnder interference is demonstrated. The fiber sensor exhibits a high sensitivity of -1948.68 nm/% (vol%) when the hydrogen concentration increases from 0% to 0.8% (vol%).
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