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Two-Dimensional Microscopy in Microbiology

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Atomic Force Microscopy01:08

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A Standard and Reliable Method to Fabricate Two-Dimensional Nanoelectronics
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La nanoscopía bidimensional coherente y coherente.

Martin Aeschlimann1, Tobias Brixner, Alexander Fischer

  • 1Fachbereich Physik and Research Center OPTIMAS, Technische Universität Kaiserslautern, Erwin-Schrödinger-Str. 46, 67663 Kaiserslautern, Germany.

Science (New York, N.Y.)
|August 13, 2011
PubMed
Resumen
Este resumen es generado por máquina.

Desarrollamos una nueva técnica espectroscópica para obtener imágenes de coherencia a nanoescala más allá de los límites ópticos. Este método revela las variaciones de longitud de onda y la coherencia de fase plasmónica en los materiales.

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Área de la Ciencia:

  • La mecánica cuántica es la mecánica cuántica.
  • La espectroscopia es una técnica de espectroscopia.
  • Nanotecnología La nanotecnología es la nanotecnología.

Sus antecedentes:

  • La espectroscopia bidimensional (2D) coherente establecida está limitada por la difracción óptica.
  • La medición de las respuestas de mezcla de cuatro ondas restringe la resolución espacial.

Objetivo del estudio:

  • Introducir un nuevo método espectroscópico para la determinación de las funciones de respuesta mecánica cuántica no lineal.
  • Para permitir imágenes directas de coherencia a nanoescala más allá del límite de difracción óptica.

Principales métodos:

  • Nanoscopía coherente 2D utilizando cuatro ondas entrantes.
  • Detección del estado final mediante microscopía electrónica de fotoemisión (resolución espacial de 50 nanómetros).

Principales resultados:

  • Registró nanospectra local desde una superficie de plata corrugada.
  • Variaciones de la forma de la línea bidimensional (2D) de longitud de subonda observada.
  • Se ha demostrado la coherencia de fase plasmónica de excitaciones localizadas que persisten durante ~100 femtosegundos con latidos coherentes.

Conclusiones:

  • El nuevo método permite obtener imágenes de coherencia a nanoescala con alta resolución espacial.
  • Las observaciones se explican por osciladores acoplados que conducen a resonancias de tipo Fano en modos híbridos.