基于飞秒激光宽光谱干涉仪的高精度长距离测量技术

IF 4.6 Q2 MATERIALS SCIENCE, BIOMATERIALS

ACS Applied Bio Materials Pub Date : 2024-07-02 DOI:10.1088/1361-6501/ad5ddb

Haoran Gao, Lei Huang, Xin Xu, Dagui Wang, Pengxiang Ge, Huining Zhao

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引用次数: 0

摘要

基于飞秒脉冲宽光谱干涉的方法是一种重要的测距方法。本文通过实验评估了用于计算的干涉光谱带宽对测距结果的影响，并通过选择最佳光谱带宽来提高精度。此外，为了消除干涉光谱波动对测量结果的影响，我们在处理算法中引入了去趋势算法，并比较了算法改进前后的测量结果。然后，测量了四种标称距离，评估了相关因素对测量不确定度的贡献。最后，对于 ~0 m、 ~1.5 m、 ~16.5 m 和 ~43.5 m 的标称距离，测量结果的合成标准不确定度分别为 0.02 μm、0.10 μm、1.05 μm 和 2.78 μm。

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High-precision long distance measurement based on broad spectrum interferometry using a femtosecond laser

The method based on broad spectrum interference using femtosecond pulses is an important ranging method. In this paper, we experimentally evaluate the effect of interferometric spectral bandwidth used for calculation on the ranging results, and precision can be improved by choosing the optimal spectral bandwidth. In addition, in order to eliminate the influence of interferometric spectral fluctuations on the measurement results, we introduce the detrend algorithm into the processing algorithm and compare the measurement results before and after the algorithm improvement. Then, four kinds of nominal distance were measured and the contribution of the relevant factors to the measurement uncertainty is evaluated. Finally, the synthetic standard uncertainty of measurement results was 0.02 μm, 0.10 μm, 1.05 μm and 2.78 μm for nominal distance of ~0 m, ~1.5 m, ~16.5 m and ~43.5 m respectively.

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来源期刊

ACS Applied Bio Materials Chemistry-Chemistry (all)

CiteScore

9.40

自引率

2.10%

发文量

464

期刊介绍： ACS Applied Bio Materials is an interdisciplinary journal publishing original research covering all aspects of biomaterials and biointerfaces including and beyond the traditional biosensing, biomedical and therapeutic applications. The journal is devoted to reports of new and original experimental and theoretical research of an applied nature that integrates knowledge in the areas of materials, engineering, physics, bioscience, and chemistry into important bio applications. The journal is specifically interested in work that addresses the relationship between structure and function and assesses the stability and degradation of materials under relevant environmental and biological conditions.