Optical detection of single nanoparticles with a subwavelength fiber-taper

Jiangang Zhu; Şahin Kaya Özdemir; Lan Yang

doi:10.1109/LPT.2011.2160847

Optical detection of single nanoparticles with a subwavelength fiber-taper

Jiangang Zhu, Şahin Kaya Özdemir, Lan Yang

Engineering Science and Mechanics

Research output: Contribution to journal › Article

31 Scopus citations

Abstract

A nanoparticle detection scheme with single particle resolution is presented. The sensor contains only a taper fiber, thus offering the advantages of compactness and installation flexibility. The sensing method is based on monitoring the transmitted light power which shows abrupt jumps with each particle binding to the taper surface. The experimental validation of the sensor is demonstrated with polystyrene nanoparticles of radii 120 and 175 nm in the 1550-nm wavelength band.

Original language	English (US)
Article number	5934580
Pages (from-to)	1346-1348
Number of pages	3
Journal	IEEE Photonics Technology Letters
Volume	23
Issue number	18
DOIs	https://doi.org/10.1109/LPT.2011.2160847
Publication status	Published - Sep 9 2011

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All Science Journal Classification (ASJC) codes

Electronic, Optical and Magnetic Materials
Atomic and Molecular Physics, and Optics
Electrical and Electronic Engineering

Cite this

Zhu, J., Özdemir, Ş. K., & Yang, L. (2011). Optical detection of single nanoparticles with a subwavelength fiber-taper. IEEE Photonics Technology Letters, 23(18), 1346-1348. [5934580]. https://doi.org/10.1109/LPT.2011.2160847

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Access to Document

10.1109/LPT.2011.2160847