2 November 2011 Radiation forces on Au nanoparticles considering infrared beams
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Abstract
The radiation pressure forces for Au nanoparticles in the Rayleigh regime under the influence of a coherent source of infrared light from 0.7-1.5 μm of a Gaussian beam with fundamental mode corresponding to the TEM00 mode are studied. An intensity distribution of the source in terms of the spot size and power are considered to analyze the gradient, scattering and absorption forces on a sphere located arbitrarily on a Gaussian beam. The results have shown, through an analysis stability, the optical manipulation is better suited for longer wavelengths, small particles, and a beam waist significantly reduced.
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J. Torres-Turiján, J. Torres-Turiján, J. G. Ortega-Mendoza, J. G. Ortega-Mendoza, P. Zaca-Morán, P. Zaca-Morán, F. Chávez, F. Chávez, J. C. Ramírez-San-Juan, J. C. Ramírez-San-Juan, R. Ramos-García, R. Ramos-García, O. J. Zapata-Nava, O. J. Zapata-Nava, C. Felipe, C. Felipe, } "Radiation forces on Au nanoparticles considering infrared beams", Proc. SPIE 8011, 22nd Congress of the International Commission for Optics: Light for the Development of the World, 80113Q (2 November 2011); doi: 10.1117/12.902618; https://doi.org/10.1117/12.902618
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