Bouncing light beams and the Hamiltonian analogy

In this work we use the unusual behaviour of a light beam in a diffusion cell as an experimental introduction for university students of physics and engineering to the optical - mechanical analogy. We have found that the lecture demonstration is a key element in the development of the presentation and subsequent use of the analogy. Riassunto. In questo lavoro si utilizza l'inusuale comportamento di un fascio luminoso in una cella di diffusione come introduzione sperimentale, per studenti di fisica e di ingegneria, all'analogia tra il comportamento di una particella materiale ed un fascio luminoso (Analogia di Hamilton). La dimostrazione didattica rappresenta un elemento chiave nello sviluppo della presentazione e del successivo utilizzo dell'analogia.

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