European Journal of Scientific Research - EuroJournals
European Journal of Scientific Research - EuroJournals
European Journal of Scientific Research - EuroJournals
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423 M. Zamfirov<br />
Figure 3: Dependency <strong>of</strong> the Io/Pl from the power at various diameters <strong>of</strong> the laser spot.<br />
Io/Pl,<br />
microA<br />
14000<br />
12000<br />
10000<br />
8000<br />
6000<br />
4000<br />
2000<br />
0<br />
-2000<br />
0 100 200 300 400 500<br />
W<br />
d=5 cm<br />
d= 25 cm<br />
Figure 4: Dependency <strong>of</strong> the efficiency at various diameters <strong>of</strong> the laser spot.<br />
efficiency, %<br />
5<br />
4<br />
3<br />
2<br />
1<br />
0<br />
0 100 200 300 400 500<br />
% d=25 cm<br />
% d= 5 cm<br />
Figure 5: Volt-ampere characteristics for СО2 laser at various power and diameter <strong>of</strong> 5 cm.<br />
I,<br />
mi<br />
cr<br />
oA<br />
250<br />
200<br />
150<br />
100<br />
50<br />
W<br />
W=0.5<br />
W=2.2<br />
W=50<br />
W=100<br />
W=250<br />
W=500<br />
0<br />
6.6 6.8 7.0 7.2 7.4 7.6 7.8 8.0 8.2 8.4<br />
U,V
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