Journal
OPTICAL MATERIALS
Volume 92, Issue -, Pages 95-99Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.optmat.2019.04.024
Keywords
Diode-pumped lasers; Q-switched lasers; 1342.2 nm laser; WS2 saturable absorber
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Funding
- National Natural Science Foundation of China [61605250]
- Fundamental Research Funds for the Central Universities [19CX02061A]
- National Key Research and Development Program of China [2017YFC1404000]
- Major Program of National Natural Science Foundation of China [61890964]
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By using both tungsten disulfide saturable absorber (WS2-SA) and YVO4/Nd:YVO4(0.3 at.%)/YVO4 crystal, a passively Q-switched laser centered at 1342.2 nm is first reported. Stable Q-switched pulses can be obtained. At the pump power of 12 W, a shortest pulse width of 550 ns and a pulse repetition rate of 97 kHz can be observed by a digital oscilloscope, corresponding to maximum pulse energy of 5.55 mu J and pulse peak power of 10.1 W. The results promote the promising applications of WS2-SA in all-solid-state laser at 1.3 mu m.
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