Research Article

Temperature Insensitive Strain Sensor with Asymmetrical Cascading Structure Based on Photonic Crystal Fiber in Chemical Corrosion

Figure 2

(a) Micrographs of corrosive fiber with core-offset splicing. (b) Micrographs of fusion splicing length of PCF after being corroded. (c) Micrographs of excessive splicing waist-enlarged fiber taper after being corroded.
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