Strain Sensing in Cantilever Beams Using a Tapered PMF with Embedded Optical Modulation Region
Xiaopeng Han,
Xiaobin Bi,
Yundong Zhang
et al.
Abstract:This paper presents the design of a strain-sensitive, dual ball-shaped tunable zone (DBT) taper structure for light intensity modulation. Unlike conventional tapered optical fibers, the DBT incorporates a central light field modulation zone within the taper. By precisely controlling the fusion parameters between single-mode fiber (SMF) and polarization-maintaining fiber (PMF), the ellipticity of the modulation zone can be finely adjusted, thereby optimizing spectral characteristics. Theoretical analysis based … Show more
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