Development of 10∧1 NM scale local optical illumination method in extended-nano space by integrated nanoslit near-field probe

Ryoichi Ohta, Kazuma Mawatari, Yutaka Kazoe, Yuriy Pihosh, Takehiko Kitamori

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

We propose a 101 nm-scale optical illumination method which enables spectroscopic measurements at 101 nm-scale localized region in closed nanochannels for the first time. Analytes in nanochannels were illuminated by 10-nm-scale near-field light, which is generated by nanoslit apertures on a thin metallic film integrated in the microchip. Transmitted light is also collected with the same nanoslit. The size of detection area was evaluated and found to be 101 nm-scale. This method will contribute to various researches in 101-102 nm fluidic systems by revealing the nanoscale distribution of flow and liquid property.

Original languageEnglish
Title of host publication18th International Conference on Miniaturized Systems for Chemistry and Life Sciences, MicroTAS 2014
PublisherChemical and Biological Microsystems Society
Pages2253-2255
Number of pages3
ISBN (Electronic)9780979806476
Publication statusPublished - 2014 Jan 1
Externally publishedYes
Event18th International Conference on Miniaturized Systems for Chemistry and Life Sciences, MicroTAS 2014 - San Antonio, United States
Duration: 2014 Oct 262014 Oct 30

Publication series

Name18th International Conference on Miniaturized Systems for Chemistry and Life Sciences, MicroTAS 2014

Other

Other18th International Conference on Miniaturized Systems for Chemistry and Life Sciences, MicroTAS 2014
CountryUnited States
CitySan Antonio
Period14/10/2614/10/30

Keywords

  • Extended-Nano space
  • Near-Field optics

ASJC Scopus subject areas

  • Control and Systems Engineering

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  • Cite this

    Ohta, R., Mawatari, K., Kazoe, Y., Pihosh, Y., & Kitamori, T. (2014). Development of 10∧1 NM scale local optical illumination method in extended-nano space by integrated nanoslit near-field probe. In 18th International Conference on Miniaturized Systems for Chemistry and Life Sciences, MicroTAS 2014 (pp. 2253-2255). (18th International Conference on Miniaturized Systems for Chemistry and Life Sciences, MicroTAS 2014). Chemical and Biological Microsystems Society.