Observed scattering into a dark optical vortex core.
The dark core of an optical vortex was used to detect on-axis, forward-scattered light from a colloidal solution in the single and multiple scattering regimes. Using no adjustable parameters we obtain good agreement with a concentration-dependent scattering model.
Palacios
David
D
Optical Sciences Center, University of Arizona, Tucson, Arizona 85726, USA.
Rozas
David
D
Swartzlander
Grover A
GA