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Ray optics calculation of axial force exerted by a highly focused Gaussian beam on a left-handed material sphere

Lai Xiao-Lei

Ray optics calculation of axial force exerted by a highly focused Gaussian beam on a left-handed material sphere

Lai Xiao-Lei
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Publishing process
  • Received Date:  23 November 2012
  • Accepted Date:  10 June 2013
  • Published Online:  05 September 2013

Ray optics calculation of axial force exerted by a highly focused Gaussian beam on a left-handed material sphere

  • 1. Depart of Basic Courses, Zhengzhou College of Science and Technology, Zhengzhou 450064, China

Abstract: Theoretical expressions and numerical calculations of axial forces for a left-handed material sphere, exerted by a highly focused Gaussian beam, in the ray optics regime are presented. Comparison is made between a dielectric sphere and a left-handed material sphere. The position at which the maximal magnitude of the axis force occurs is determined by the beam and the sphere parameters. A very strong axial force can be obtained from a low refractivity of a left-handed material sphere, exerted by a highly focused Gaussian beam, which is hundred times larger than that of a dielectric sphere.

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