利用 d 扫描技术测量随时间变化的偏振态超短激光脉冲

IF 4.6 Q1 OPTICS Journal of Physics-Photonics Pub Date : 2024-01-18 DOI:10.1088/2515-7647/ad1c6c
Daniel Díaz Rivas, Ann-Kathrin Raab, Chen Guo, Anne-Lise Viotti, Ivan Sytcevich, Anne L’Huillier, Cord Arnold
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引用次数: 0

摘要

色散扫描(d-scan)技术扩展用于测量超短激光脉冲随时间变化的偏振状态。在线性偏振超短脉冲的最简单实施中,d-扫描技术将二次谐波生成谱记录为已知光谱相位操纵的函数。通过将这种方法应用于任意极化电场的两个正交极化投影,并在中间角度测量频谱,我们可以重建极化状态随时间的演变。我们通过测量由 6fs 脉冲产生的极化门与波板组合来演示该方法。我们将测量结果与模拟结果进行了比较,结果显示两者非常吻合。
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Measurement of ultrashort laser pulses with a time-dependent polarization state using the d-scan technique
The dispersion scan (d-scan) technique is extended to measurement of the time-dependent polarization state of ultrashort laser pulses. In the simplest implementation for linearly polarized ultrashort pulses, the d-scan technique records the second harmonic generation spectrum as a function of a known spectral phase manipulation. By applying this method to two orthogonally polarized projections of an arbitrary polarized electric field and by measuring the spectrum at an intermediate angle, we can reconstruct the evolution over time of the polarization state. We demonstrate the method by measuring a polarization gate generated from 6fs pulses with a combination of waveplates. The measurements are compared to simulations, showing an excellent agreement.
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来源期刊
CiteScore
10.70
自引率
0.00%
发文量
27
审稿时长
12 weeks
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