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Paper detail

Gaussian Beam Collimation via Transformation Media

Conventional method for Gaussian beam collimation is to expand the beam waist to achieve a smaller divergence angle. Recent transformation optics offers an unconventional path to control the electromagnetic field. In this paper we show that a Gaussian beam can be converted into a plane wave-like beam by transformation media within the scale of several wavelengths. Design details and full-wave simulation results via finite element method are provided.

preprint2013arXivOpen access
Yuancheng FanJin HanHongqiang Li
physics.optics
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Yuancheng FanJin HanHongqiang Li

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