ondulation.py

Created on January 19, 2022

462 Bytes

la diffraction c'est les situatuions
ou une onde à ses directions de 
propagations modifiées après avoir 
franchis une ouverture ou un obstacle 
partiel, pas de réfraction et réflexion.

ecart angulaire 0
direction de propagation de l'onde 
sans disfraction et la droite reliant 
l'objet diffracant et le centre adj.
0=lambda/a
ou 0=1.22*lambda/a

tache centrale
0=Cb/Ab=L/2/D=L/D=0
soit 0=lambda/a alors 0=lambda/a=L/2D
donc a=2lambda*D/L

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