An All-Optical Method For Characterising Individual Fluorescent Nanodiamonds

Ben T Miles, Alex B Greenwood, Brian R Patton, Henkjan Gersen

Research output: Contribution to journalArticle (Academic Journal)

4 Citations (Scopus)
269 Downloads (Pure)

Abstract

Nitrogen-vacancy (NV-) defects embedded in nanodiamond have attracted attention for their useful photonic and spin properties, and their exceptional photo-stability. Efficiently detecting nanodiamonds that possess colour centres and discriminating from any background fluorescent contamination is essential for nanodiamond-based technologies, and so necessitates the detection of both the nanoparticle and the fluorescent signature. However, optically detecting small nanodiamonds (<40 nnm) proves difficult due to the low absorption and scattering cross section of nanodiamonds. Here we demonstrate an all optical method capable of simultaneous colocalising scattered signal from individual nanodiamonds (~10nm) with the fluorescent signature from NV- centres.
Original languageEnglish
Pages (from-to)343–348
Number of pages6
JournalACS Photonics
Volume3
Issue number3
Early online date4 Feb 2016
DOIs
Publication statusPublished - 8 Feb 2016

Keywords

  • Cross-Polarisation Imaging
  • NANODIAMOND
  • nv centers
  • single particle detection
  • single molecule detection
  • colocalisation

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