Group delay dispersion measurement of a dispersive mirror by spectral interferometry: comparison of different signal processing algorithms

Zhenyue Luo; Shuna Zhang; Wei-dong Shen; Cen Xia; Qun Ma; Xu Liu; Yueguang Zhang

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Group delay dispersion measurement of a dispersive mirror by spectral interferometry: comparison of different signal processing algorithms

机译：通过光谱干涉法测量色散镜的群时延色散：比较不同信号处理算法

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We built a dispersive white-light spectral interferometer for precisely measuring the dispersion properties of a multilayer thin-film structure. A novel algorithm with improved robustness to measurement errors is presented by combining a windowed Fourier transformation with wavelet-based differentiation. Compared with previously published algorithms, this method shows substantial resistance to measurement errors. The group delay dispersion properties of bulk materials and a homemade chirped mirror are measured by our apparatus, and the measurement result manifests considerable accuracy and robustness. The technique shows reasonable potential for the characterization of ultrabroadband chirped mirrors.

机译：我们建立了一个色散白光光谱干涉仪，用于精确测量多层薄膜结构的色散特性。通过将窗口傅里叶变换与基于小波的微分相结合，提出了一种对测量误差具有更高鲁棒性的新颖算法。与以前发布的算法相比，此方法显示出对测量误差的抵抗力。用我们的仪器测量了散装材料和自制chi镜的群延迟色散特性，测量结果显示出相当高的准确性和鲁棒性。该技术显示出表征超宽带chi反射镜的合理潜力。

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《Applied optics》 |2011年第9期|共7页
作者
Zhenyue Luo; Shuna Zhang; Wei-dong Shen; Cen Xia; Qun Ma; Xu Liu; Yueguang Zhang;
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1. Group delay dispersion measurement of a dispersive mirror by spectral interferometry: comparison of different signal processing algorithms [J] . Zhenyue Luo, Shuna Zhang, Wei-dong Shen, Applied optics . 2011,第9期

机译：通过光谱干涉法测量色散镜的群时延色散：比较不同信号处理算法
2. Group delay dispersion measurement of a dispersive mirror by spectral interferometry: comparison of different signal processing algorithms [J] . Zhenyue Luo, Shuna Zhang, Wei-dong Shen, Applied optics . 2011,第9期

机译：通过光谱干涉法测量色散镜的群时延色散：比较不同信号处理算法
3. Comparison of delayless digital filtering algorithms and their application to multi-sensor signal processing [J] . Swider Anna, Pedersen Eilif Transactions of the Institute of Measurement and Control . 2019,第8期

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4. Measurement of dispersive properties of optical materials and mirrors using spectrally resolved white-light interferometry [C] . Zsolt Bor, Attila P. Kovacs, Karoly Osvay, International conference on optical diagnosis of materials and devices for opto-, micro-, and quantum electronics . 1998

机译：使用光谱分辨的白光干涉测量光学材料和镜子的分散性能测量
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Group delay dispersion measurement of a dispersive mirror by spectral interferometry: comparison of different signal processing algorithms

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