Skip to main content
U.S. flag

An official website of the United States government

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

Near-Field Intensity Correlations in Semicontinuous Metal-Dielectric Films



K Seal, A K. Sarychev, H Noh, D A. Genov, A Yamilov, Vladimir Shalaev, Z C. Ying, H Cao


Spatial intensity correlation functions are obtained from near-field scanning optical microscope measurements of semicontinuous metal-dielectric films. The concentration of metal particles on a dielectric surface is varied over a wide range to control the scattering strength. At low and high metal coverages where scattering is weak, the intensity correlation functions exhibit oscillations in the direction of incident light due to excitation of propagating surface waves. In the intermediate regime of metal concentration, the oscillatory behavior is replaced by a monotonic decay as a result of strong scattering and anomalous absorption. Significant differences in the near-field intensity correlations between metallic and dielectric random systems are demonstrated.
Physical Review Letters


correlation function, light scattering, localization, near field, optical microscope, semicontinuous films, silver


Seal, K. , Sarychev, A. , Noh, H. , Genov, D. , Yamilov, A. , Shalaev, V. , Ying, Z. and Cao, H. (2021), Near-Field Intensity Correlations in Semicontinuous Metal-Dielectric Films, Physical Review Letters (Accessed June 17, 2024)


If you have any questions about this publication or are having problems accessing it, please contact

Created October 12, 2021