Driving down the Detection Limit in Microstructured Fiber-Based Chemical Dip Sensors

被引：31

作者：

Schartner, Erik P. ^{[1
]}

Ebendorff-Heidepriem, Heike ^{[1
]}

Warren-Smith, Stephen C. ^{[1
]}

White, Richard T. ^{[1
]}

Monro, Tanya M. ^{[1
]}

机构：

[1] Univ Adelaide, Sch Chem & Phys, Inst Photon & Adv Sensing, Adelaide, SA 5005, Australia

来源：

SENSORS | 2011年 / 11卷 / 03期

关键词：

soft glass; dip sensing; microstructured optical fiber; quantum dots; PHOTONIC CRYSTAL FIBER; OPTICAL-FIBERS; NANOWIRES; DESIGN;

D O I：

10.3390/s110302961

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

We present improvements to fluorescence sensing in soft-glass microstructured optical fibers that result in significantly improved sensitivity relative to previously published results. Concentrations of CdSe quantum dots down to 10 pM levels have been demonstrated. We show that the primary limitation to the sensitivity of these systems is the intrinsic fluorescence of the glass itself.

引用

页码：2961 / 2971

页数：11

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