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Præsentation - Ida

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11<br />

Snell’s lov<br />

n 2<br />

n 1<br />

n 2 < n 1<br />

1<br />

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

2<br />

Havskildpadden<br />

n 1 = n vand = 1.33 og n 2 = n luft = 1<br />

TIR ved vinkler større end 49<br />

n 1 sin 1 = n 2 sin 2<br />

Total Intern Reflektion:<br />

1 c = sin -1 n 2/n 1

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