Photonics Dictionary

focused laser scattering

A single-particle scattering technique in which an incident laser beam is tightly focused by means of lenses to yield a focal spot in the scattering material with a diameter on the order of the wavelength of the light. The stationary beam will occasionally impinge on one of the scatterers drifting into the focal region, producing a detectable pulse of scattered light that yields information about the scatter.
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