Spatial resolution enhancement in laser scanning microscopy using vector beams

Yuichi Kozawa, Shunichi Sato

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


We report the superior properties of cylindrical vector beams such as radially and azimuthally polarized beams realized under tight focusing condition. A higher-order radially polarized Laguerre-Gaussian beam has a capability of producing a much smaller focal spot compared to a conventional linearly or circularly polarized beam. On the other hand, a higherorder azimuthally polarized mode beam can produce a smaller dark spot at the focus. We utilize these features to significantly enhance the spatial resolution in laser scanning microscopy.

Original languageEnglish
Title of host publicationBiomedical Imaging and Sensing Conference
EditorsToyohiko Yatagai, Yoshihisa Aizu, Osamu Matoba, Yasuhiro Awatsuji, Yuan Luo
ISBN (Electronic)9781510619791
Publication statusPublished - 2018 Jan 1
EventBiomedical Imaging and Sensing Conference 2018 - Yokohama, Japan
Duration: 2018 Apr 252018 Apr 27

Publication series

NameProceedings of SPIE - The International Society for Optical Engineering
ISSN (Print)0277-786X
ISSN (Electronic)1996-756X


OtherBiomedical Imaging and Sensing Conference 2018


  • Cylindrical vector beam
  • diffraction theory
  • laser microscopy
  • polarization
  • super-resolution

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Computer Science Applications
  • Applied Mathematics
  • Electrical and Electronic Engineering


Dive into the research topics of 'Spatial resolution enhancement in laser scanning microscopy using vector beams'. Together they form a unique fingerprint.

Cite this