单模-多模-单模和单模-锥形-多模-单模光纤结构及其在折射率传感中的应用研究

IF 1.8 4区物理与天体物理 Q3 OPTICS

Journal of The Optical Society of America B-optical Physics Pub Date : 2011-05-01 DOI:10.1364/JOSAB.28.001180

Pengfei Wang, G. Brambilla, M. Ding, Y. Semenova, Qiang Wu, G. Farrell

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引用次数: 77

摘要

研究了全光纤直列单模-多模-单模(SMS)和单模-锥形-多模-单模(STMS)光纤结构。提出了一种圆柱坐标系下的广角光束传播方法，并采用该方法对光纤器件的光传播性能进行了数值模拟。研究了强模干扰对器件性能的影响，并进行了数值验证;结果表明，与传统的短波导结构相比，所提出的短波导结构可以测量较宽的折射率范围，并且具有合理的高分辨率。

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Investigation of single-mode–multimode–single-mode and single-mode–tapered-multimode–single-mode fiber structures and their application for refractive index sensing

All-fiber in-line single-mode—multimode—single-mode (SMS) and single-mode—tapered-multimode—single-mode (STMS) fiber structures are investigated. A wide-angle beam propagation method in cylindrical coordinates is developed and employed for numerical simulations of the light propagation performance of such fiber devices. The effect of strong mode interference on the performance of the devices is studied and verified numerically; results indicate that the proposed STMS structure can be exploited for measuring a broad refractive index range with reasonable high resolution, compared with the conventional SMS structure.

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来源期刊

Journal of The Optical Society of America B-optical Physics 物理-光学

CiteScore

4.00

自引率

5.30%

发文量

374

审稿时长

2.1 months

期刊介绍： The Journal of the Optical Society of America B (JOSA B) is a general optics research journal that complements JOSA A. It emphasizes scientific research on the fundamentals of the interaction of light with matter such as quantum optics, nonlinear optics, and laser physics. Topics include: Advanced Instrumentation and Measurements Fiber Optics and Fiber Lasers Lasers and Other Light Sources from THz to XUV Light-Induced Phenomena Nonlinear and High Field Optics Optical Materials Optics Modes and Structured Light Optomechanics Metamaterials Nanomaterials Photonics and Semiconductor Optics Physical Optics Plasmonics Quantum Optics and Entanglement Quantum Key Distribution Spectroscopy and Atomic or Molecular Optics Superresolution and Advanced Imaging Surface Optics Ultrafast Optical Phenomena Wave Guiding and Optical Confinement JOSA B considers original research articles, feature issue contributions, invited reviews and tutorials, and comments on published articles.