Nanoscale resolution for fluorescence microscopy via adiabatic passage

Opt Express. 2013 Sep 23;21(19):22139-44. doi: 10.1364/OE.21.022139.


We propose the use of the subwavelength localization via adiabatic passage technique for fluorescence microscopy with nanoscale resolution in the far field. This technique uses a Λ-type medium coherently coupled to two laser pulses: the pump, with a node in its spatial profile, and the Stokes. The population of the Λ system is adiabatically transferred from one ground state to the other except at the node position, yielding a narrow population peak. This coherent localization allows fluorescence imaging with nanometer lateral resolution. We derive an analytical expression to asses the resolution and perform a comparison with the coherent population trapping and the stimulated-emission-depletion techniques.

Publication types

  • Research Support, Non-U.S. Gov't

MeSH terms

  • Computer Simulation
  • Image Enhancement / methods*
  • Image Interpretation, Computer-Assisted / methods*
  • Lasers*
  • Lighting / methods*
  • Microscopy, Fluorescence / methods*
  • Models, Theoretical*
  • Nanoparticles / ultrastructure*