Ultra-narrow photonic nanojets through a glass cuboid embedded in a dielectric cylinder
文献类型：期刊论文
| 作者 | Yang, J. M.; Twardowski, P.; Gerard, P.; Duo, Y.; Fontaine, J.; Lecler, S. |
| 刊名 | Optics Express
 |
| 出版日期 | 2018 |
| 卷号 | 26期号:4页码:3723-3731 |
| 关键词 | enhancement backscattering nanoparticles microsphere optics light Optics |
| ISSN号 | 1094-4087 |
| DOI | 10.1364/oe.26.003723 |
| 英文摘要 | A glass cuboid, embedded inside a dielectric cylinder is studied when illuminated with a monochromatic plane wave. A photonic nanojet (PNJ) with a full-width at half-maximum (FWHM) waist of around 0.25 lambda(0) is obtained outside the external surface of the cuboid. The influence of the parameters of a square section cuboid is studied. Three particular phenomena can be obtained and are discussed: an ultra-narrow PNJ on the external surface of the cuboid, a long photonic jet and the excitation of whispering gallery modes (WGMs). A parametric study, over the width and the height of a rectangular section cuboid, shows that these parameters can be used to control the photonic jet properties. We also study several other geometries of the insert, which shows that the key parameter is the refractive index of the inserted material. Finally, we show that by changing the incident angle we can obtain a curved photonic jet. (c) 2018 Optical Society of America under the terms of the OSA Open Access Publishing Agreement |
| 源URL | [http://ir.ciomp.ac.cn/handle/181722/61209]  |
| 专题 | 中国科学院长春光学精密机械与物理研究所 |
| 推荐引用方式 GB/T 7714 | Yang, J. M.,Twardowski, P.,Gerard, P.,et al. Ultra-narrow photonic nanojets through a glass cuboid embedded in a dielectric cylinder[J]. Optics Express,2018,26(4):3723-3731. |
| APA | Yang, J. M.,Twardowski, P.,Gerard, P.,Duo, Y.,Fontaine, J.,&Lecler, S..(2018).Ultra-narrow photonic nanojets through a glass cuboid embedded in a dielectric cylinder.Optics Express,26(4),3723-3731. |
| MLA | Yang, J. M.,et al."Ultra-narrow photonic nanojets through a glass cuboid embedded in a dielectric cylinder".Optics Express 26.4(2018):3723-3731. |
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