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Simultaneously measuring the refractive index and thickness of an optical sample by using improved fiber-based optical coherence tomography

机译:通过使用改进的基于光纤的光学相干层析成像技术,同时测量光学样品的折射率和厚度

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摘要

An improved structure for the optical coherence tomography (OCT) scheme based on a 4 × 4 fiber coupler for simultaneously measuring the refractive index and thickness of optical samples is presented. The proposed structure incorporates the optical path length difference of interference light and is used to calculate the refractive index and thickness of an unknown sample without any prior knowledge of the sample parameters. Two methods (time-domain and Fourier-domain OCT) of obtaining information about an unknown sample are proposed, and a high-speed high-resolution OCT system was developed.
机译:提出了一种基于4×4光纤耦合器的光学相干断层扫描(OCT)方案的改进结构,用于同时测量光学样本的折射率和厚度。所提出的结构结合了干涉光的光程长度差,并且被用于计算未知样品的折射率和厚度,而无需任何样品参数的先验知识。提出了两种获取未知样本信息的方法(时域和傅立叶域OCT),并开发了一种高速高分辨率OCT系统。

著录项

  • 来源
    《Optical engineering》 |2014年第4期|044108.1-044108.6|共6页
  • 作者单位

    National Formosa University, Department of Electrical Engineering, No. 64, Wunhua Road, Huwei Township, Yunlin County 632, Taiwan;

    National Cheng Kung University, Institute of Computer and Communications Engineering, Advanced Optoelectronic Technology Center, Department of Electrical Engineering, Tainan, Taiwan;

    National Formosa University, Department of Electro-Optical Engineering, No. 64, Wunhua Road, Huwei Township, Yunlin County 632, Taiwan;

    National Formosa University, Department of Electro-Optical Engineering, No. 64, Wunhua Road, Huwei Township, Yunlin County 632, Taiwan;

    National Cheng Kung University, Institute of Electro-Optic Science and Engineering, Advanced Optoelectronic Technology Center, Department of Photonics, Tainan, Taiwan;

    National Cheng Kung University, Institute of Electro-Optic Science and Engineering, Advanced Optoelectronic Technology Center, Department of Photonics, Tainan, Taiwan;

    National Formosa University, Department of Electro-Optical Engineering, No. 64, Wunhua Road, Huwei Township, Yunlin County 632, Taiwan;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    optical coherence tomography; refractive index; thickness; fiber loop mirror;

    机译:光学相干断层扫描;折射率厚度;光纤环镜;

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