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首页> 外文会议>Optics in health care and biomedical optics VIII >Detection of tilted fiber Bragg grating fiber-optic sensors with short-term KLT: towards low-cost biosensors
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Detection of tilted fiber Bragg grating fiber-optic sensors with short-term KLT: towards low-cost biosensors

机译：短期KLT检测倾斜光纤布拉格光栅光纤传感器：面向低成本生物传感器

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摘要

Tilted Fiber Bragg Grating (TFBG) optical fiber sensors can be employed as refractive index sensors, and functionalized as biosensors. The TFBG cladding modes exhibit a small yet detectable sensitivity to the refractive index in the surrounding of the sensing region. One of the weaknesses of TFBG is that classical interrogation methods require narrow wavelength resolution to analyze these spectral features which can be achieved only through a bulky setup. In this work, we propose a demodulation method, namely the short term Karhunen-Loeve Transform (ST-KLT) that can be applied to a low-cost spectrometer that detects the TFBG reflection spectrum. The method is capable of detecting refractive index variations in the order of 10~(-3) - 10~(-4) refractive index units (RIU), and is a potential pillar towards low-cost TFBG biosensors.
机译：倾斜光纤布拉格光栅（TFBG）光纤传感器可以用作折射率传感器，并可以用作生物传感器。 TFBG包层模式对感应区域周围的折射率表现出较小但可检测的灵敏度。 TFBG的缺点之一是传统的询问方法需要狭窄的波长分辨率来分析这些光谱特征，而这只能通过庞大的设置才能实现。在这项工作中，我们提出了一种解调方法，即短期Karhunen-Loeve变换（ST-KLT），该方法可应用于检测TFBG反射光谱的低成本光谱仪。该方法能够检测到10〜（-3）-10〜（-4）折射率单位（RIU）量级的折射率变化，并且是低成本TFBG生物传感器的潜在支柱。

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  • 来源
    《Optics in health care and biomedical optics VIII》|2018年|108203A.1-108203A.7|共7页
  • 会议地点 Beijing(CN)
  • 作者

    M. Shaimerdenova; A.Bekmurzayeva; M.Sypabekova; Y. Abukhanov; D.Tosi;

  • 作者单位

    Laboratory of biosensors and bioinstruments, National Laboratory Astana, 53 Kabanbay batyr ave, Astana, Kazakhstan, 010000;

    Laboratory of biosensors and bioinstruments, National Laboratory Astana, 53 Kabanbay batyr ave, Astana, Kazakhstan, 010000,School of engineering, Nazarbayev University, 53 Kabanbay batyr ave, Astana, Kazakhstan, 010000;

    Laboratory of biosensors and bioinstruments, National Laboratory Astana, 53 Kabanbay batyr ave, Astana, Kazakhstan, 010000,School of engineering, Nazarbayev University, 53 Kabanbay batyr ave, Astana, Kazakhstan, 010000;

    School of engineering, Nazarbayev University, 53 Kabanbay batyr ave, Astana, Kazakhstan, 010000;

    Laboratory of biosensors and bioinstruments, National Laboratory Astana, 53 Kabanbay batyr ave, Astana, Kazakhstan, 010000,School of engineering, Nazarbayev University, 53 Kabanbay batyr ave, Astana, Kazakhstan, 010000;

  • 会议组织
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Tilted Fiber Bragg Grating (TFBG), fiber optic sensors; Karhunen-Loeve Transform (KLT); biosensors; refractive index (RI); sucrose; sensitivity; interrogator; reflectivity;

    机译：倾斜式光纤布拉格光栅（TFBG），光纤传感器； Karhunen-Loeve变换（KLT）；生物传感器折射率（RI）;蔗糖;灵敏度;询问者反射率;

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