The existence of the so-called Arago or Poisson’s spot, a luminous point at the center of the shadow of an opaque circular object, is demonstrated by repeating the famous diffraction experiment realized by Arago at the beginning of the XIXth century. This key experiment settled the controversial question of the nature of light in favor of the wave theory presented in those years by Fresnel.
There's light in the shadow! The Poisson-Arago experiment.
Andrea Parisini
;Meganne Christian;Giorgio Lulli
2022
Abstract
The existence of the so-called Arago or Poisson’s spot, a luminous point at the center of the shadow of an opaque circular object, is demonstrated by repeating the famous diffraction experiment realized by Arago at the beginning of the XIXth century. This key experiment settled the controversial question of the nature of light in favor of the wave theory presented in those years by Fresnel.File in questo prodotto:
| File | Dimensione | Formato | |
|---|---|---|---|
|
Video_Theres_light_in_the_shadow.pdf
accesso aperto
Descrizione: Video divulgativo sulla diffrazione della luce
Tipologia:
Altro materiale allegato
Licenza:
Altro tipo di licenza
Dimensione
1.23 MB
Formato
Adobe PDF
|
1.23 MB | Adobe PDF | Visualizza/Apri |
I documenti in IRIS sono protetti da copyright e tutti i diritti sono riservati, salvo diversa indicazione.
