对75种不同模式激光打标钢试样的对比度变化进行了研究

ENVIRONMENT. TECHNOLOGIES. RESOURCES. Proceedings of the International Scientific and Practical Conference Pub Date : 2023-06-13 DOI:10.17770/etr2023vol3.7264

L. Lazov, Nikolay Padarev, M. Yovchev, L. Linkov

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引用次数: 0

摘要

标记表面的质量改变了光学特性。研究的目的是优化激光打标钢75的对比度。分析了光栅标记步进的影响和脉冲重复频率对反射系数的影响。用分光光度计对其反射率进行了实验研究。对于标记的样品，发现在研究范围内的波长进行电磁辐射定向时，存在光的吸收和反射区域。对标记后的75钢样品的反射率绘制为标记步长和激光频率的函数图。

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THE CHANGE OF CONTRAST IS INVESTIGATION OF 75 STEEL SAMPLES LASER MARKED WITH DIFFERENT MODES

The quality of the marked surfaces changes the optical characteristics. The aim of the study is to optimize the contrast in laser marking of Steel 75. The influence of the step in the raster marking and the influence of the repetition frequency of the pulses on the reflection coefficient were analysed. The experimental investigations of the reflectance were carried out using a spectrophotometer. For the marked samples, it was found that when directing electromagnetic radiation with a wavelength in the studied range, there are areas with absorption and reflection of light. The reflectance is plotted as a function of marking step and laser frequency for the marked Steel 75 samples.

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ENVIRONMENT. TECHNOLOGIES. RESOURCES. Proceedings of the International Scientific and Practical Conference

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