光电预偏置激光脉冲稳幅器性能研究
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摘要: 分析了由普克尔斯盒与偏振器组成的预加动态偏置电压光电可变透过率装置对调Q激光脉冲幅度的稳定作用;着重阐述了装置的参数设计,对装置的数值模拟计算表明该装 置可将激光脉冲的相对波动由10%减小到1%以下;用该装置进行稳幅实验,得到与设计分析相 符的结果。Abstract: An opticalelectric setupstabilizing a Qswitched laser pulseisanalysed.The setup employs a Pockelscellinserting in a pair of polarizers anda linear high output voltage amplifier,withthe optical transmissivity being adjusteddynamically by prebiasing the voltage on thePockels cell.Emphasis is put on the designof the parameters of this system. Thenumerical calculation shows that the setupcan reduce
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Key words:
- bias voltage /
- opticalelectricfeedback parameter /
- pulse amplitude /
- fluctuation /
- stabilization
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