Radiation forces on Au nanoparticles considering infrared beams

J. Torres-Turiján; J. G. Ortega-Mendoza; P. Zaca-Morán; F. Chávez; J. C. Ramírez-San-Juan; R. Ramos-García; O. J. Zapata-Nava; C. Felipe

doi:10.1117/12.902618

2 November 2011 Radiation forces on Au nanoparticles considering infrared beams

J. Torres-Turiján, J. G. Ortega-Mendoza, P. Zaca-Morán, F. Chávez, J. C. Ramírez-San-Juan, R. Ramos-García, O. J. Zapata-Nava, C. Felipe

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Proceedings Volume 8011, 22nd Congress of the International Commission for Optics: Light for the Development of the World; 80113Q (2011) https://doi.org/10.1117/12.902618
Event: International Commission for Optics (ICO 22), 2011, Puebla, Mexico

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. G. Ortega-Mendoza, P. Zaca-Morán, F. Chávez, J. C. Ramírez-San-Juan, R. Ramos-García, O. J. Zapata-Nava, and 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); https://doi.org/10.1117/12.902618

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KEYWORDS

Particles

Gold

Scattering

Absorption

Laser scattering

Nanoparticles

Electroluminescent displays

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