A composite laser ablation diagnosis method based on multiple spectroscopic and imaging analyses

IF 3.1 3区 物理与天体物理 Q2 INSTRUMENTS & INSTRUMENTATION Infrared Physics & Technology Pub Date : 2024-10-09 DOI:10.1016/j.infrared.2024.105585
Jiamin Wang , Yunfeng Zhang , Changbin Zheng , Kuo Zhang , Junfeng Shao , Chunrui Wang , Yunzhe Wang , Fei Chen
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Abstract

This study proposes a novel diagnostic approach for target ablation to comprehensively elucidate the physical mechanisms of laser ablation in aluminium alloys and stainless steel, precisely measure sample temperatures, and predict the ablation state. The method utilizes a spatially weighted emissivity model in conjunction with multispectral thermometry techniques to analyze spatial variations in temperature and emissivity distributions, facilitating the evaluation of target ablation status. Through a series of experiments, temperature data obtained using an enhanced weighted radiative spectral inversion technique were compared with temperatures recorded by thermal imaging cameras, confirming the effectiveness and accuracy of the weighted radiative spectral inversion method in multispectral thermometry. Additionally, a detailed examination of laser ablation in aluminium alloys and stainless steel was conducted to elucidate the underlying damage mechanisms. This refined approach establishes a solid groundwork for further investigation into the characteristics and dynamic Evolution of laser-damaged regions.
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基于多重光谱和成像分析的复合激光烧蚀诊断方法
本研究提出了一种新的目标烧蚀诊断方法,以全面阐明铝合金和不锈钢激光烧蚀的物理机制,精确测量样品温度,并预测烧蚀状态。该方法利用空间加权发射率模型,结合多光谱测温技术,分析温度和发射率分布的空间变化,便于评估目标烧蚀状态。通过一系列实验,将使用增强型加权辐射光谱反演技术获得的温度数据与热像仪记录的温度进行了比较,证实了加权辐射光谱反演法在多光谱测温中的有效性和准确性。此外,还对铝合金和不锈钢的激光烧蚀进行了详细研究,以阐明潜在的破坏机制。这种完善的方法为进一步研究激光损伤区域的特征和动态演变奠定了坚实的基础。
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来源期刊
CiteScore
5.70
自引率
12.10%
发文量
400
审稿时长
67 days
期刊介绍: The Journal covers the entire field of infrared physics and technology: theory, experiment, application, devices and instrumentation. Infrared'' is defined as covering the near, mid and far infrared (terahertz) regions from 0.75um (750nm) to 1mm (300GHz.) Submissions in the 300GHz to 100GHz region may be accepted at the editors discretion if their content is relevant to shorter wavelengths. Submissions must be primarily concerned with and directly relevant to this spectral region. Its core topics can be summarized as the generation, propagation and detection, of infrared radiation; the associated optics, materials and devices; and its use in all fields of science, industry, engineering and medicine. Infrared techniques occur in many different fields, notably spectroscopy and interferometry; material characterization and processing; atmospheric physics, astronomy and space research. Scientific aspects include lasers, quantum optics, quantum electronics, image processing and semiconductor physics. Some important applications are medical diagnostics and treatment, industrial inspection and environmental monitoring.
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