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High Power Diode Lasers - Center for Biomedical Optics and New ...

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Beam shaping technique<br />

General principle of “Optical stacking”<br />

1st plate<br />

2nd plate<br />

Input<br />

“Flat”Beam<br />

N intermediary<br />

beams<br />

Output<br />

“Stacked”<br />

Beams<br />

Fibre<br />

BPP // =X // x θ //<br />

BPP ⊥ =X ⊥ x θ ⊥<br />

squared BPP ⇒ BPP // / N = BPP ⊥ x N

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