High Power Diode Lasers - Center for Biomedical Optics and New ...
High Power Diode Lasers - Center for Biomedical Optics and New ...
High Power Diode Lasers - Center for Biomedical Optics and New ...
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Semiconductor<br />
amplifier<br />
<strong>and</strong> refractive<br />
Gain<br />
index gratings<br />
Others solutions to improve the brightness (3) : external approach<br />
Risø National Laboratory<br />
<strong>Optics</strong> & Fluid Dynamics Dept.<br />
Four-wave mixing in diodes using spatial hole burning<br />
<strong>High</strong> reflective<br />
coating<br />
A 1<br />
0<br />
Z=0<br />
A 3<br />
A 2<br />
Electrode<br />
L<br />
Z<br />
Z=L<br />
Antireflection<br />
coating<br />
Spatial- <strong>and</strong> temporal<br />
filtering<br />
M<br />
Output<br />
beam<br />
The induced gratings<br />
eliminate filamentation<br />
<strong>and</strong> lateral lasing in the<br />
laser diode.<br />
P.M. Petersen et al.
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