| Autor: |
Bai, Wenyu, Yan, Xingchi, Diebold, Gerald J. |
| Zdroj: |
Nonlinear Dynamics; Mar2023, Vol. 111 Issue 5, p4017-4025, 9p |
| Abstrakt: |
The motion of an optically levitated, transparent sphere in an amplitude-modulated, Gaussian laser beam is shown to be described by Mathieu functions. Solutions to the equation of motion for the particle are found with and without the effects of viscosity for sinusoidal optical amplitude modulation. Solutions for step function changes in the amplitude of continuous laser irradiation are found as well. By examination of the Hamiltonian field for the particle, it is shown that the particle motion is not harmonic under sinusoidal modulation of the optical beam intensity. With sinusoidal optical modulation, the particle motion shows a steady ponderomotive force to act on the particle proportional to the second space derivative of the laser intensity. [ABSTRACT FROM AUTHOR] |
| Databáze: |
Complementary Index |
| Externí odkaz: |
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