Near-field interactions and non-universality in speckle patterns produced by a point source in a disordered medium

Details Near-field interactions and non-universality in speckle patterns produced by a point source in a disordered medium Near-field interactions and non-universality in speckle patterns produced by a point source in a disordered medium

2010-07-23

arxiv.org/abs/1007.4099v1

Physics

Optics

Scientific paper

A point source in a disordered scattering medium generates a speckle pattern with non-universal features, giving rise to the so-called C_0 correlation. We analyze theoretically the relationship between the C_0 correlation and the statistical fluctuations of the local density of states, based on simple arguments of energy conservation. This derivation leads to a clear physical interpretation of the C_0 correlation. Using exact numerical simulations, we show that C_0 is essentially a correlation resulting from near-field interactions. These interactions are responsible for the non-universality of C_0, that confers to this correlation a huge potential for sensing and imaging at the subwavelength scale in complex media.

Affiliated with

Also associated with

No associations

Rating

Near-field interactions and non-universality in speckle patterns produced by a point source in a disordered medium does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.

If you have personal experience with Near-field interactions and non-universality in speckle patterns produced by a point source in a disordered medium, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Near-field interactions and non-universality in speckle patterns produced by a point source in a disordered medium will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFWR-SCP-O-138811