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.
Optical forces on dielectric particle generated by a Gaussian beam.
For typical conditions (the particle index is larger than that of surrounding medium), the beam generates a scattering force FS along the light propagation direction and a gradient force FG pulling the particle toward the high-intensity regions.
