Journal
OPTICS COMMUNICATIONS
Volume 285, Issue 7, Pages 1680-1683Publisher
ELSEVIER
DOI: 10.1016/j.optcom.2011.12.051
Keywords
Radiation forces; Angular spectrum theory; Light momentum
Categories
Funding
- National Natural Science Foundation of China [60977068, 61178015]
- State Key Laboratory of Transient Optics and Photonics Chinese Academy of Sciences [SKLST200912]
- Huaqiao University [JB- JC1010]
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Based on the angular spectrum method, we investigate the radiation forces on a finite-size dielectric medium plate induced by a Gaussian beam. The formulas for the radiation force along longitudinal and transverse direction are derived, and numerically calculation is performed. It is shown that for the finite-size dielectric medium plate, the radiation forces exerted by the Gaussian beam is dependent upon the angle and position of a single ray striking on the plate and the intensity of light. Our numerical results indicate that if we choose the appropriate parameters there will be enough transverse forces to overcome the gravity force, making the plate move upwards. (C) 2011 Elsevier B.V. All rights reserved.
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