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引用次数: 0
摘要
本文提出了一个用于计算纤维中横向模式电场剖面的模型。利用该模型，我们计算了横向模式的电场传播，并对弯曲和笔直的掺镱光纤和掺氦光纤进行了比较。我们的模拟结果表明，模式的电场强度并没有像预期的那样因弯曲而持续增大或减小，而是随着光纤弯曲半径从 1 厘米到 100 厘米的变化而波动。此外，我们还观察到，在某些弯曲半径下，纤维的模式会发生变形，并过渡到更高的模式。此外，还计算了由于弯曲而向包层拉伸的模式程度。为了对结果进行更全面的分析，并研究纤维的物理参数对弯曲纤维模式的影响，我们提供了两种不同 V 数和纤芯半径的模拟结果。
Investigating changes in the electric field profiles of transverse modes in fibres due to bending
A model is presented for calculating the electric field profiles of transverse modes in fibres. Using this model, the electric field propagation of transverse modes was calculated and compared in both bent and straight Yb and Ho fibres. Our simulations revealed that the field intensities of the modes did not consistently increase or decrease by bending as expected, but rather fluctuated as the bending radii of the fibres changed from 1 to 100 cm. Additionally, it was observed that at certain bending radii, the modes of the fibres became deformed and transitioned into higher modes. Furthermore, the extent to which the modes stretched towards cladding due to bending was calculated. To provide a more comprehensive analysis of the results and investigate the effects of the physical parameters of the fibres on the bent fibre modes, simulation results were presented for two different V numbers and core radii.
期刊介绍：
IET Optoelectronics publishes state of the art research papers in the field of optoelectronics and photonics. The topics that are covered by the journal include optical and optoelectronic materials, nanophotonics, metamaterials and photonic crystals, light sources (e.g. LEDs, lasers and devices for lighting), optical modulation and multiplexing, optical fibres, cables and connectors, optical amplifiers, photodetectors and optical receivers, photonic integrated circuits, photonic systems, optical signal processing and holography and displays.
Most of the papers published describe original research from universities and industrial and government laboratories. However correspondence suggesting review papers and tutorials is welcomed, as are suggestions for special issues.
IET Optoelectronics covers but is not limited to the following topics:
Optical and optoelectronic materials
Light sources, including LEDs, lasers and devices for lighting
Optical modulation and multiplexing
Optical fibres, cables and connectors
Optical amplifiers
Photodetectors and optical receivers
Photonic integrated circuits
Nanophotonics and photonic crystals
Optical signal processing
Holography
Displays
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