15 February 2012 High power VCSEL array pumped Q-switched Nd:YAG lasers
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Solid-state lasers pumped by high-power two-dimensional arrays of vertical-cavity surface-emitting lasers (VCSELs) were investigated. Both end-pumping and side-pumping schemes of Nd:YAG lasers with high power kW-class 808 nm VCSEL pump modules were implemented. For one application 10 mJ blue laser pulses were obtained from a frequencydoubled actively Q-switched VCSEL-array dual side-pumped Nd:YAG laser operating at 946 nm. For another application 10 mJ green laser pulses were obtained from a frequency-doubled passively Q-switched VCSEL-array endpumped Nd:YAG laser operating at 1064 nm. Both QCW and CW pumping schemes were investigated to achieve high average Q-switched power.
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Yihan Xiong, Robert Van Leeuwen, Laurence S. Watkins, Jean-Francois Seurin, Guoyang Xu, Alexander Miglo, Qing Wang, Chuni Ghosh, "High power VCSEL array pumped Q-switched Nd:YAG lasers", Proc. SPIE 8235, Solid State Lasers XXI: Technology and Devices, 82350M (15 February 2012); doi: 10.1117/12.908414; https://doi.org/10.1117/12.908414

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