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Smaller Output Beam Divergence in the Slowly Opened Q-Switch Operation

机译:缓慢打开的Q开关操作中较小的输出光束发散度

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摘要

The mechanism of the slowly opened Q-switch operation was investigated thoroughly. Maximum energy extraction from the resonator could be optimized, and the smallest output beam divergence could be achieved. In this article, we present a detailed analysis that has numerically verified the mode-selection mechanism in the slowly opened Q-switch operation, and the degree of the smaller output laser beam divergence that has been achieved. The mechanism of the slowly opened Q-switch operation is the inherent advantage of the passive saturable absorber in this operation. We can use the maximum energy extraction and the smallest output beam divergence results of the slowly opened Q-switch operation to design and optimize various passive saturable absorbers: plastic dye sheets, LiF:F2 − color center crystals, Cr4+: YAG crystals, RG1000 color glass filters, and the single crystal semiconductor saturable absorber wafers that are in developed in our microchip laser systems.
机译:彻底研究了缓慢打开Q开关操作的机理。可以优化从谐振器提取的最大能量,并可以实现最小的输出光束发散度。在本文中,我们提供了详细的分析,该分析已数值验证了缓慢打开的Q开关操作中的模式选择机制,以及已实现的较小输出激光束发散度。缓慢打开Q开关操作的机制是此操作中无源可饱和吸收器的固有优势。我们可以利用缓慢打开的Q开关操作的最大能量提取和最小输出光束发散结果来设计和优化各种无源饱和吸收体:塑料染料片,LiF:F2 -色心晶体,Cr4 + :YAG晶体,RG1000彩色玻璃滤光片以及在我们的微芯片激光系统中开发的单晶半导体可饱和吸收剂晶圆。

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