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Præsentation - Ida

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14<br />

Lysudbredelse i optisk fiber<br />

Maxwell’s ligninger:<br />

B<br />

E<br />

<br />

t<br />

D<br />

H<br />

j <br />

t<br />

D<br />

<br />

B<br />

<br />

0<br />

Optiske OFS fibre, Fitel IDA 20/9 Proprietary 2012<br />

Bølgeligning<br />

I glas gælder:<br />

<br />

j<br />

<br />

0<br />

0<br />

D E<br />

B H <br />

H<br />

2<br />

2 2<br />

E n E 2<br />

0<br />

<br />

c<br />

Ingen frie ladninger<br />

Lineær respons<br />

Ingen magnetfelt<br />

<br />

0

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