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10.1: Definición

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    51196
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    Difracción Es la desviación de la propagación de la luz de lo predicho por la óptica geométrica.

    La onda, tras su paso por la abertura, no queda cortada como establece la OG, sino que se propaga de otra manera. Vamos a escribir explícitamente la forma de esta propagación \({ }^{1}\).

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    1. se demuestra en la mayoría de los textos utilizando la ecuación de ondas y el teorema de GreEN (teoría de KIRCHHOFF o teoría de RAYLEIGH-SOMMERFELD). Otra forma de resolverlo es considerar que sabemos cómo es la onda en el plano de la abertura y descomponerla en ondas planas, para, seguidamente, propagarlas hasta la pantalla. Este método, quizá más intuitivo, es el que desarrollan MANDEL y WOLF en Coherence and quantum optics (sección 3.2).


    10.1: Definición is shared under a CC BY-SA 1.0 license and was authored, remixed, and/or curated by LibreTexts.