FDTD analysis of optical forces on a nanometric object in the near zone of a metal slit

Soo Chang; W. H. Choi; Jae Heung Jo; S. T. Chung

doi:10.1117/12.324584

19 August 1998 FDTD analysis of optical forces on a nanometric object in the near zone of a metal slit

Soo Chang, W. H. Choi, Jae Heung Jo, S. T. Chung

Proceedings Volume 3573, OPTIKA '98: 5th Congress on Modern Optics; (1998) https://doi.org/10.1117/12.324584
Event: OPTIKA '98: Fifth Congress on Modern Optics, 1998, Budapest, Hungary

Abstract

A finite-difference time-domain method is used to examine the optical force acting on a nanometric object in the near zone of a metal slit. Numerical results show that the object of refractive index N equals 1.5 can be trapped near the slit center by the evanescent field gradient force.

Citation Download Citation

Soo Chang, W. H. Choi, Jae Heung Jo, and S. T. Chung "FDTD analysis of optical forces on a nanometric object in the near zone of a metal slit", Proc. SPIE 3573, OPTIKA '98: 5th Congress on Modern Optics, (19 August 1998); https://doi.org/10.1117/12.324584

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