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Mody, divergence,obří impulzy.pdf - FBMI

Mody, divergence,obří impulzy.pdf - FBMI

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DIVERGENCE SVAZKU<br />

2) Pro rovinnou vlnu (prostorově koherentní)<br />

D<br />

A<br />

B<br />

Obr. Divergence jako důsledek difrakce<br />

<strong>divergence</strong><br />

A´<br />

B´<br />

a d<br />

a d = 1,22 l /D pro kruhovou aperturu<br />

a d = l /D pro pravoúhlou aperturu

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