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D-Microfibers
DOI:10.1109/JLT.2013.2272915.png)
Abstract
En 中文
A simple mechanical setup was used to polish a standard single mode optical fiber in order to make it asymmetric. The polished fiber was tapered down maintaining the D-shape transversal profile. Its broken symmetry along with the extended evanescent field, due to the dimensions of the microfiber, implies a potentially high birefringent waveguide as well as a high-sensitivity external refractive index device. An experimental maximum sensitivity of S approximate to (3.0 +/- 0.2) x 10(4) nm/RIU was achieved, other experimental and numerical results supporting our initial assumptions are also presented.
Keywords:
Birefringence
microoptics
microsensors
optical fiber sensors
sensitivity
sensors
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Ultrahigh-birefringent squeezed lattice photonic crystal fiber with rotated elliptical air holes
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