Optique Flashcards

1
Q

Loi de Snell-Descartes de la réfraction

A

n₁•sin(i₁) = n₂•sin(i₂)

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2
Q

Relation de conjugaison avec origine aux points principaux

Relation de Descartes

A

1/OA’ - 1/OA = 1/f’

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3
Q

Relation de conjugaison avec origine aux foyers

Relation de Newton

A

F’A’ • FA = - f’²

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4
Q

Vergence

A
v = 1/f’
[δ] = [m⁻¹]
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5
Q

Puissance optique

A

P = θ’ / AB

θ’ : diamètre apparent de l’image
AB : taille de l’objet

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6
Q

Point objet

A

Intersection d’un ensemble de rayons entrants dans un système optique

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7
Q

Point image

A

Intersection d’un ensemble de rayons sortants d’un système optique

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8
Q

Diamètre apparent

A

Angle sous lequel est vu l’objet

tan(θ/2) = D / (2L)

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9
Q

Conditions de Gauss

A

Les rayons sont faiblement inclinés par rapport à l’axe optique et les rayons entrants sont proches de l’axe optique

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10
Q

Indice d’un milieu i

A

nᵢ = c / cᵢ

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11
Q

Vergence de l’association de 2 lentilles accolées

A

v = v₁ + v₂

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