Optique Flashcards

1
Q

Gamme de λ des UV

A
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2
Q

Gamme de λ des IR

A

> 800 nm

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3
Q

λ du rouge

A

λr = 620 - 780 nm

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4
Q

λ du jaune

A

λj = 580 - 600 nm

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5
Q

λ du vert

A

λv = 500 - 580 nm

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6
Q

λ du bleu

A

λb= 450 - 500 nm

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7
Q

Doublet jaune du sodium

A
λ1 = 589,0 nm
λ2 = 589,6 nm
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8
Q

λ du laser He-Ne

A

λ = 632,8 nm

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9
Q

Longueur de cohérence Lc du laser He-Ne

A

Lc = 1cm - 1m

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10
Q

Puissance d’un laser He-Ne

A

P = 1mW

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11
Q

Lc de la lumière blanche

A

Lc = 1 μm

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12
Q

Durée de cohérence τ de la lumière blanche

A

τ = 5•e-15 s

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13
Q

Lc d’une lampe spectrale

A

Lc = 1cm

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14
Q

τ d’une lampe spectrale

A

τ = 0,1 ns

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15
Q

Lc d’un laser

A

Lc = 10m

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16
Q

τ d’un laser

A

τ = 0,1 μs

17
Q

Nombre de traits d’un réseau moyen

A

500 traits / mm

18
Q

Pouvoir séparateur de l’œil

A

ε = 3•e-4 rad

19
Q

Indice de l’air

A
n = 1,0003
n-1 = 3•e-4
20
Q

Indice de l’eau

A

n = 1,33

21
Q

Indice du diamant

A

n = 2,4