electro.py

Created by thomas-vignal01

Created on April 12, 2023

845 Bytes


electro

UV plus petit 400nm

Visible 400 à 800nm

IR > 800nm

célérité : 
  
  C = E / B
  
  B = E / C
  
B intensité champs magnétique
E intensité cha électrostatique

Densité surfacique puissance : 
  
  p = E^2/ Z0
  en W.m^-2
  
E intensité eff du champs magné
du champs électrique en V.m

Z impédance du vide 120pi ou 
377ohms


P = P0 / surface

Intensité eff champs électri

E = rac de P * Z

Z = 377 ohms

champs électrique : 
  
  E = sqrt(alpha * Po)/d
  ou
  E*d = sqrt (alpha*Po)
  ou
  alpha = E2*d2 / Po
  
  E = intensité eff ch electrique
  Po = puissance d'émission
  alpha en ohm
  

Longueur d'onde  / lambda

f = c / T
lambda = c / f

calcul retard :
  
  delta t =t2 - t1
  
frequence rayonnement emis 

freq = c/lamba

energie chaque photon =

E = h*v

h = constante de plank
V = en Hz
  

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