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Edge-pumped passively Q-switched thin Nd: YAG slab lasers |
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| Authors: | Xiaojin Cheng Zhimin Wang Fan Chen Jianqiu Xu |
| Abstract: | We report a high-power thin Nd: YAG slab laser with slab dimension of 1×10×60(mm) partially edgepumped by diode laser arrays.Passive Q-switching is achieved with a Cr4 : YAG microchip adopted as the saturable absorber mirror.The pulse duration is around 10ns while the pulse repetition rate is higher than 10kHz.The average output power of 70W is obtained with a slope efficiency of 36%.The diffraction limited beam quality in the thickness direction is obtained by controlling the pump beam diameter inside the slab.The laser head is very compact with size of only 60×74×150(mm). |
| Keywords: | thin lasers head compact size diffraction limited beam quality thickness direction controlling pump diameter inside average output power slope efficiency pulse duration repetition rate |
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