This work was supported in part by the National Science Foundation.
Laser beams -- Scattering, Electrons -- Scattering -- Mathematical models
A scattering technique is described in which the incident laser beam is tightly focused to isolate the effects of a single particle. In this way the individual particles may be studied in their natural environment, and experiments with latex spheres are in agreement with the theory.
Lee W. Casperson, C. Yeh, and Wing F. Yeung, "Single particle scattering with focused laser beams," Appl. Opt. 16, 1104-1107 (1977).