首页> 外文期刊>Technical physics letters: Letters to the Russian journal of applied physics >Surface plasmon resonance excitation in a bent single-mode optical fiber with metal-coated cladding: Numerical simulation
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Surface plasmon resonance excitation in a bent single-mode optical fiber with metal-coated cladding: Numerical simulation

机译:金属包覆包层弯曲单模光纤中的表面等离子体共振激发:数值模拟

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摘要

We have numerically simulated the propagation of radiation guided in a bent single-mode optical fiber with metal-coated cladding. The optimum conditions for effective energy transfer from guided radiation to surface plasmon-polariton waves propagating along the metal-external medium interface. It is shown that, using this effect, it is possible to measure the refractive index (RI) of the external medium in both the spectral and amplitude regimes of response signal measurement with a resolution of up to 10(-8) RI unit.
机译:我们用数值模拟了在带有金属涂层的弯曲单模光纤中引导的辐射的传播。有效能量从引导辐射传输到沿金属-外部介质界面传播的表面等离振子-极化子波的最佳条件。结果表明,利用这种效应,可以在响应信号测量的频谱和幅度范围内测量外部介质的折射率(RI),分辨率最高为10(-8)RI单位。

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