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A novel holey fiber with two suspended Ge-doped cores was successfully developed for simultaneous measurement of pressure and temperature. The diameters of the cores are 4.2 μm and 6 μm, with cladding diameters of 23.8 μm and 37.4 μm, respectively. Pressure sensitivities of the two-core holey fiber were measured to be −16.98 pm/MPa and −14.84 pm/MPa whereas temperature sensitivities were 12.41 pm/°C...
In this paper, we present a miniature fluidic flowmeter based on a packaged FBG and laser-heated fibers. The flow rates of water and hydraulic oil were measured by utilizing the proposed flowmeter. The measured results exhibited good sensitivity of 0.339 nm/(m/s) for water and 0.578 nm/(m/s) for oil flow. Experimental results showed that the sensitivity of the fluidic flow sensor is depending on the...
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