Efeito Talbot em uma rede óptica com carga topológica
We studied the interference resulting from the superposition of optical lattices, which are nondiffracting fields propagating in free space, and showed a Talbot self-imaging effect. These lattices are formed by spatially Fourier transforming a “quasi”-orbital angular momentum (OAM) state. We observe...
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| Tipo de recurso: | tesis de maestría |
| Estado: | Versión publicada |
| Fecha de publicación: | 2017 |
| País: | Brasil |
| Institución: | Universidade Federal de Alagoas (UFAL) |
| Repositorio: | Repositório Institucional da Universidade Federal de Alagoas (UFAL) |
| Idioma: | portugués |
| OAI Identifier: | oai:www.repositorio.ufal.br:riufal/6780 |
| Acceso en línea: | http://www.repositorio.ufal.br/handle/riufal/6780 |
| Access Level: | acceso abierto |
| Palabra clave: | Efeito Talbot (Física) Redes ópticas Difração Talbot Effect (Physics) Optical networks Diffraction CNPQ::CIENCIAS EXATAS E DA TERRA::FISICA::FISICA DA MATERIA CONDENSADA |
| Sumario: | We studied the interference resulting from the superposition of optical lattices, which are nondiffracting fields propagating in free space, and showed a Talbot self-imaging effect. These lattices are formed by spatially Fourier transforming a “quasi”-orbital angular momentum (OAM) state. We observed theoretically and experimentally that although the Talbot images change, the Talbot length is insensitive to the topological charge of the “quasi”-OAM state. Our findings can be useful for laser-written photonic lattices. |
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