Twist phase induced changes of radiation force of a Gaussian Schell-model beam on a Rayleigh dielectric sphere

Chengliang Zhao; Yangjian Cai; Xuanhui Lu

doi:10.1117/12.838148

1 December 2009 Twist phase induced changes of radiation force of a Gaussian Schell-model beam on a Rayleigh dielectric sphere

Chengliang Zhao, Yangjian Cai, Xuanhui Lu

Author Affiliations +

Proceedings Volume 7507, 2009 International Conference on Optical Instruments and Technology: Optical Trapping and Microscopic Imaging; 75070A (2009) https://doi.org/10.1117/12.838148
Event: International Conference on Optical Instrumentation and Technology, 2009, Shanghai, China

Abstract

Radiation force of a focused scalar twisted Gaussian Schell-model (TGSM) beam on a Rayleigh dielectric sphere is investigated. It is found that the twist phase affects the radiation force and by raising the absolute value of the twist factor it is possible to increase both transverse and longitudinal trapping ranges at the focus. The trapping stability is also discussed.

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Chengliang Zhao, Yangjian Cai, and Xuanhui Lu "Twist phase induced changes of radiation force of a Gaussian Schell-model beam on a Rayleigh dielectric sphere", Proc. SPIE 7507, 2009 International Conference on Optical Instruments and Technology: Optical Trapping and Microscopic Imaging, 75070A (1 December 2009); https://doi.org/10.1117/12.838148

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