Heuristic models for diffraction by some simple micro-objects
Electromagnetic optics is normally expected to be the only appropriate approach to describe structures with features of just a few wavelengths. But in some cases, these structure can be well described by simple heuristic arguments relying on geometrical optics and on diffraction by known elementary...
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| Veröffentlicht in: | Journal of the Optical Society of America. A, Optics, image science, and vision Optics, image science, and vision, 2009-04, Vol.26 (4), p.767-775 |
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| container_end_page | 775 |
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| container_issue | 4 |
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| container_title | Journal of the Optical Society of America. A, Optics, image science, and vision |
| container_volume | 26 |
| creator | MOULIN, Gaid GOUDAIL, Francois CHAVEL, Pierre DENGFENG KUANG |
| description | Electromagnetic optics is normally expected to be the only appropriate approach to describe structures with features of just a few wavelengths. But in some cases, these structure can be well described by simple heuristic arguments relying on geometrical optics and on diffraction by known elementary primitives. Such an approach allows a better understanding of the involved physical phenomena and reduces the computation time. We investigate the case of a microcomponent with a triangular section by using two approximate models with increasing complexity and explore their limits as the size of the structure decreases. Results are compared with a rigorous electromagnetic approach and discussed on the basis of near-field and far-field diffraction patterns. |
| doi_str_mv | 10.1364/JOSAA.26.000767 |
| format | Article |
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| ispartof | Journal of the Optical Society of America. A, Optics, image science, and vision, 2009-04, Vol.26 (4), p.767-775 |
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| source | Optica Publishing Group Journals |
| subjects | Applied classical electromagnetism Diffraction and scattering Electromagnetic wave propagation, radiowave propagation Electromagnetism electron and ion optics Exact sciences and technology Fundamental areas of phenomenology (including applications) Optics Physics Wave optics |
| title | Heuristic models for diffraction by some simple micro-objects |
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