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Polyvinyl alcohol–coated hybrid fiber grating for relative humidity sensing
fiber Bragg grating tilted-fiber Bragg grating humidity sensing polyvinyl alcohol
2013/5/27
A relative humidity (RH) sensor based on a hybrid fiber grating coated with polyvinyl alcohol is proposed and demonstrated experimentally. The hybrid fiber grating is formed by superimposing a normal ...
Determination of Localized Loss in Cabled Fiber Using OTDR Measurements of Relative Mode Field Diameter
Fiber Characterization Fiber Measurements
2015/6/5
We demonstrate enhanced sensitivity of a commercial OTDR by employing novel bidirectional analysis techniques. The method is applicable to measurements of cabled fiber where fluctuations in local mode...