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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Others solutions to improve the brightness (3) : external approach<br />
Risø National Laboratory<br />
<strong>Optics</strong> & Fluid Dynamics Dept.<br />
Gain- <strong>and</strong> refractive index gratings in laser diodes<br />
0<br />
L<br />
Z<br />
Gain <strong>and</strong> refractive<br />
index gratings<br />
A 1<br />
A 3<br />
Semiconductor<br />
amplifier<br />
A 2<br />
Electrode<br />
Z=0<br />
Z=L<br />
The induced gain- <strong>and</strong><br />
refractive index<br />
gratings lead to<br />
selective amplification<br />
of one spatial mode<br />
<strong>and</strong> suppression of all<br />
other modes<br />
P.M. Petersen et al.
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