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Engineering in the Optimization of Resolution of Nanohole Arrays in Metal Films for Refractive Index Sensing.

机译:用于折射率传感的金属膜中纳米孔阵列的分辨率优化工程。

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摘要

Label free detection techniques such as surface plasmon resonance, carbon nanotubes, nanowires, and interferometry have been progressing rapidly for biosensing applications. Surface plasmon resonance is considered one of the most promising label free optical techniques. The use of nanohole arrays in a metal film allows for extraordinary transmission and has been motivated by their application as biosensors. Nanohole arrays present several advantages like smaller foot print, dense integration, lower limits of detection, and collinear optical detection.;This thesis presents the design parameters for the optimization of sensitivity and resolution of nanohole arrays for refractive index sensing. A systematic study is provided of the influence of the nanohole array periodicity, diameter, and gold thickness. Focused ion beam was used to fabricate the nanohole arrays. A microfluidic device with a set of embedded nanohole arrays was developed and used to measure the sensing characteristics. The results are encouraging for potential future biosensing tests.
机译:对于生物传感应用,诸如表面等离振子共振,碳纳米管,纳米线和干涉测量等无标记检测技术正在迅速发展。表面等离子体共振被认为是最有前途的无标记光学技术之一。在金属膜中使用纳米孔阵列可实现非凡的传输,并受到其作为生物传感器应用的推动。纳米孔阵列具有一些优点,如占地面积小,集成度高,检测下限低和共线光学检测。;本文提出了用于优化折射率传感纳米孔阵列的灵敏度和分辨率的设计参数。对纳米孔阵列的周期性,直径和金厚度的影响进行了系统的研究。聚焦离子束用于制造纳米孔阵列。开发了具有一组嵌入式纳米孔阵列的微流体装置,并将其用于测量传感特性。该结果对于未来潜在的生物传感测试令人鼓舞。

著录项

  • 作者单位

    University of Victoria (Canada).;

  • 授予单位 University of Victoria (Canada).;
  • 学科 Electrical engineering.
  • 学位 M.A.Sc.
  • 年度 2012
  • 页码 101 p.
  • 总页数 101
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

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