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Polychromatische bestraling<br />

• steeds bestraling met eindige ∆λ<br />

• simultane bestraling bij λ’ (P 0’) en λ’’ (P 0”)<br />

0<br />

–bijλ’: A′ = = ε′ bc bij λ”:<br />

–simultaan:<br />

enkel indien ε’ ≈ ε’’<br />

A m<br />

P′<br />

P0′<br />

′<br />

log A′ ′ = log = ε ′<br />

bc<br />

P′<br />

P′<br />

′<br />

( P0′<br />

+ P0′<br />

′ )<br />

( P0′<br />

+ P0′<br />

′ )<br />

A m = log = log − e′<br />

bc −e′<br />

′<br />

( P′<br />

+ P′<br />

′ ) ( P′<br />

10 + P′<br />

′ 10<br />

≈<br />

ε′ bc<br />

0<br />

0<br />

bc<br />

)

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