Illinois Tools: Optical Beam Focusing System

By Zuhaib Bashir Sheikh1, Nahil Sobh1

1. University of Illinois at Urbana-Champaign

Generate Focused optical beams using principles of electromagnetic optics

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Published on 12 May 2011 All versions

doi:10.4231/D3SQ8QH5C cite this



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Using lenses to focus incident plane waves to a fixed spot is an extremely important phenomena, gaining increased prominence in advanced microscopy techniques. While lens behavior has been studied experimentally in the light of geometrical optics, an attempt has been made to study lens behavior using the principles of electromagnetic optics. With increasing computational capabilities it has become possible to visualize the passage of light through optical systems, like lenses, from first principles by applying Finite Difference Time Domain Method directly to Maxwell's equations.

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MEEP: MIT Electromagnetic Equation Propagation


1. Kimani Toussant, Assistant Professor, Mechanical Science and Engineering, University of Illinois 2. Santosh Tripathi, Graduate Student, Electrical and Computer Engineering, University of Illinois

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Network for Computational Nanotechnology (NCN) at

Cite this work

Researchers should cite this work as follows:

  • Zuhaib Bashir Sheikh, Nahil Sobh (2016), "Illinois Tools: Optical Beam Focusing System," (DOI: 10.21981/D3SQ8QH5C).

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