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Abstract: Focusing properties of a novel type photoresist microlens are studied. Aspecific character of the microlens is its mushroom shape. Recently it waspredicted and experimentally revealed that such a lens integrated with alight-emitting diode is capable of enhancing its output efficiency anddirectivity. In our paper we describe the true electromagnetic performance of amushroom lens by applying a mathematically rigorous method of boundary integralequations. Numerical results are presented for the mushroom lens illuminatedwith a plane E-polarized wave and include figures describing the evolution ofthe lens focal spot and near field maps.

Autor: A. V. Boriskin, S. V. Boriskina, T. Benson, P. Sewell, A. I. Nosich


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