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Stable acousto-optics Q-switched Nd:YVO4 laser at 500 kHz

✍ Scribed by F. He; L. Huang; M. Gong; Q. Liu; X. Yan

Publisher
John Wiley and Sons
Year
2007
Tongue
English
Weight
169 KB
Volume
4
Category
Article
ISSN
1612-2011

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✦ Synopsis

Up to 1 MHz acousto-optics Q-switching operation was obtained in a grazing-incidence Nd:YVO~4~ laser. At 500 kHz repetition rate, 17.7 W of output power was obtained with 38 W of pump power when 32.4% transmissivity output coupler was used. The beam quality factors were measured as M
^2^
~x~ < 4 in the x-axis direction and M
^2^
~y~ < 2 in the y-axis direction. For high sable acousto-optics pulse operation, 5% transmissivity output coupler was used and 9.15 W of output power was obtained at 38 W of pump power. The peak-to-peak instability of pulse amplitude was less than ±3.3% at 489.6 kHz repetition rate.

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