Optical detection of single nanoparticles with a subwavelength fiber-taper

Jiangang Zhu, Sahin Ozdemir, Lan Yang

Research output: Contribution to journalArticle

29 Citations (Scopus)

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 languageEnglish (US)
Article number5934580
Pages (from-to)1346-1348
Number of pages3
JournalIEEE Photonics Technology Letters
Volume23
Issue number18
DOIs
StatePublished - Sep 9 2011

Fingerprint

tapering
Nanoparticles
nanoparticles
fibers
Fibers
sensors
Polystyrenes
Sensors
void ratio
installing
polystyrene
flexibility
Wavelength
radii
Monitoring
wavelengths

All Science Journal Classification (ASJC) codes

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

Cite this

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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.",
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Optical detection of single nanoparticles with a subwavelength fiber-taper. / Zhu, Jiangang; Ozdemir, Sahin; Yang, Lan.

In: IEEE Photonics Technology Letters, Vol. 23, No. 18, 5934580, 09.09.2011, p. 1346-1348.

Research output: Contribution to journalArticle

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