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

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• far-field measurement<br />

Laser diode<br />

Diverging beam<br />

Rotating<br />

photodiode<br />

0.0<br />

-20<br />

power<br />

0.2 0.4 0.6 0.8 1.0<br />

θ<br />

z<br />

a<br />

n<br />

g<br />

l<br />

e<br />

-10<br />

0<br />

10<br />

θ 1/e²<br />

θ 1/2<br />

20<br />

θ

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