设计了一套紧凑型高温激光二极管阵列端面泵浦电光调Q Nd:YAG激光器.为使激光器整体结构紧凑，以高温激光二极管阵列作为泵源以有效地降低Nd:YAG激光器散热压力.利用Ansys软件对高温激光二极管阵列工作时的温度场进行模拟.使用基于K9玻璃材质的导光锥将泵浦光耦合进Nd:YAG晶体内.利用Traceproc软件模拟了导光锥前后端面的光场分布.采用5 mm×5 mm×40 mm、掺杂浓度为1.0 at.%的Nd:YAG晶体作为增益介质，利用Ansys软件对200 μs，250 μs泵浦脉宽条件下的晶体内部温度场分布进行模拟并计算了激光器工作时的热透镜焦距.结果表明，本文设计的紧凑型激光器可以实现稳定的脉冲激光输出.在重复频率20 Hz，泵浦源电压脉冲宽度250 μs、300 μs条件下，获得了单脉冲能量44.1 mJ和50.2 mJ的单脉冲输出，对应脉冲宽度分别为18.3 ns和21.3 ns，斜效率为12.35%和12.24%.

A compact electro-optical Q-switched 1 064 nm Nd:YAG laser end-pumped by high temperature Laser Diode Arrays (LDAs) was demonstrated. In order to achieve the compactness, high-temperature LDAs were used as the pumping source because it can effectively reduce the heat dissipation need within the system. The temperature field of the high temperature LDAs was simulated using Ansys. Lens duct made out of K9 glass was used as the coupling lens to couple the pumped light into the Nd:YAG crystal. The light field distribution before and after the coupling lens was simulated by Traceproc software. The gain medium was a 5 mm×5 mm×40 mm Nd:YAG with a doping concentration of 1.0 at.%. The internal temperature field distribution of the crystal under 200 μs and 250 μs pump pulse width was simulated by Ansys, and the focal length of the thermal lens during laser operation was calculated. The experiment results show that this compact laser can achieve stable pulsed laser output. With a repetition frequency of 20 Hz and the pump source voltage pulse widths of 250 μs and 300 μs, output pulsed energy of 44.1 mJ and 50.2 mJ were achieved corresponding to the pulse durations of 18.3 ns and 21.3 ns. The slope efficiency were 12.35% and 12.24%, respectively.