Sci. Adv. Today 2 (2016) 25234  
  Research Article  
   
   
         
Nanoscale optical imaging at the limits of spatial accuracy and temporal resolution using femtosecond NOLES microscopy  
  Jeremy W. Jarrett, Kenneth L. Knappenberger, Jr.  
     
Department of Chemistry and Biochemistry, Florida State University, Tallahassee, Florida 32306-4390, United States
   
  Abstract  
  Nonlinear Optical Localization using Electromagnetic Signals (NOLES) imaging was implemented to investigate nanostructure-specific interactions between nanoparticles and electromagnetic energy with high spatial accuracy and ultrafast temporal resolution. NOLES imaging has been used to generate optical images in which the emission hot spot from a complex assembly of plasmonic gold nanoparticles can be determined with nanometer spatial accuracy. NOLES imaging has been extended to perform phase- and time-resolved measurements by using phase-locked laser pulse replicas with controllable inter-pulse time delays as the excitation source. This expansion has allowed for plasmon-mode specific studies and femtosecond pump-probe microscopy with interferometric detection to be performed on single structures. The results herein demonstrate the capability of NOLES imaging to determine structure-specific properties of complex nanoparticle networks (e.g. plasmon dephasing times, electromagnetic energy focusing and confinement), which are likely to have significant impacts on the rational design of photonic nanoassemblies.  
     
   
  Cite this article as:  
  Jeremy W. Jarrett, Kenneth L. Knappenberger, Jr., Nanoscale optical imaging at the limits of spatial accuracy and temporal resolution using femtosecond NOLES microscopy, Sci. Adv. Today 2 (2016) 25234.