Journal
LASER PHYSICS LETTERS
Volume 8, Issue 6, Pages 418-422Publisher
IOP PUBLISHING LTD
DOI: 10.1002/lapl.201110008
Keywords
diode-pumped laser; passively Q-switched; Nd:Lu0.33Y0.37Gd0.3VO4 crystal; single-walled carbon nanotube saturable absorber
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Funding
- National Science Foundation of China [61078031, 60876056, 61008024, 91022025]
- Science and Technology Development Foundation of Fuzhou University [2009-XQ-13]
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A diode-pumped passively Q-switched Nd:Lu0.33Y0.37Gd0.3VO4 (Nd:LuYGdVO4) laser at 1.06 mu m with a single-walled carbon nanotube saturable absorber is demonstrated. At the incident pump power 9.1 W, the minimum pulse width of 52 ns and the maximum peak power 66.5 W can be obtained. In order to compare different gain media, the passively Q-switched Nd: LuVO4 and Nd:Lu0.15Y0.85VO4 (Nd:LuYVO4) lasers under the same laser cavity are also investigated. The experimental results show that Nd: LuYGdVO4 crystal is more suitable for passively Q-switched laser with single-walled carbon nanotube saturable absorber than Nd: LuVO4 or Nd: LuYVO4 crystals.
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