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Quantum State Engineering of Light with Continuous-wave Optical Parametric Oscillators
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实现一个高功率的紫外线光学参数振荡器,这取决于颜色中心密度的下降.

Jiawei Li, Xuechen Cao, Yanlin Zhang

    Optics express
    |January 29, 2025
    PubMed
    概括

    这项研究介绍了一种高功率的UVBBO光学参数振荡器 (OPO). 增加BBO晶体温度将输出功率提高到2.17W,实现了OPO类型的最高功率.

    科学领域:

    • 非线性光学是非线性光学.
    • 激光物理 激光物理
    • 材料科学 材料科学 材料科学

    背景情况:

    • 光学参数振荡器 (OPO) 对于产生可调节的激光光是至关重要的.
    • 酸 (BBO) 晶体是OPO中广泛使用的非线性介质.
    • 在BBO晶体中形成颜色中心可以限制OPO性能和功率.

    研究的目的:

    • 为了提高UVBBO OPO的输出功率.
    • 为了研究工作温度升高对BBO晶体性能的影响.
    • 为了实现355nm紫外线的II型临界相匹配BBO OPO的最高输出功率.

    主要方法:

    • 使用一个UV的BBO光学参数振荡器.
    • 将BBO非线性晶体的工作温度从135°C提高到185°C.
    • 测量输出功率,重复率,脉冲宽度和信号波长调节.

    主要成果:

    • 随着温度的升高,输出功率从1.20W增加到2.17W.
    • 信号光的波长从409.81nm调整到581.87nm.
    • 实现了10 kHz的重复率和5.23 ns的信号光脉冲宽度.

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    结论:

    • 增加BBO晶体温度有效地降低了颜色中心密度,并提高了OPO输出功率.
    • 开发的BBO OPO在其配置中显示了创纪录的高输出功率.
    • 结果为工业和科学应用提供了巨大的潜力,这些应用需要高功率可调节的紫外线源.