Time-correlated single photon counting system and light-collection system for studying fluorescence emitters under high-vacuum conditions

Use of immersion objective and ionic liquid

Toshiki Yamada, Kenichi Goshi, Akira Otomo

Research output: Contribution to journalArticle

6 Citations (Scopus)

Abstract

In this paper, we introduce a time-correlated single photon counting system and an efficient light-collection system for studying fluorescence emitters under high-vacuum conditions; the latter system has an immersion objective, and an ionic liquid is used as a refractive index matching medium. The ionic liquid is positioned in high vacuum. The time-correlated single photon counting system has modified photomultiplier tubes that act as photon detectors. The light-collection system is designed to be simple, compact, and easy to use. In order to verify the performance of these systems, the optical properties of colloidal semiconductor nanocrystals (CdSe/ZnS) and fluorescent dye molecules are studied as examples.

Original languageEnglish
Pages (from-to)432-436
Number of pages5
JournalThin Solid Films
Volume518
Issue number2
DOIs
Publication statusPublished - Nov 30 2009

Fingerprint

Ionic Liquids
high vacuum
Ionic liquids
submerging
counting
emitters
Photons
Fluorescence
Vacuum
fluorescence
photons
liquids
Photomultipliers
photomultiplier tubes
Fluorescent Dyes
Nanocrystals
Refractive index
nanocrystals
Dyes
Optical properties

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Surfaces and Interfaces
  • Surfaces, Coatings and Films
  • Metals and Alloys
  • Materials Chemistry

Cite this

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