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Updated: Sep 13, 2025

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在金属表面上激光诱导隐藏指纹的可视化

Haolin Guo1, Yongfeng Qian1, Hong An1

  • 1Key Laboratory of CNC Equipment Reliability, Ministry of Education, School of Mechanical and Aerospace Engineering, Jilin University, Changchun, 130022, China.

Small (Weinheim an der Bergstrasse, Germany)
|August 4, 2025
PubMed
概括

这项研究引入了一种新的激光技术,可以快速可视化金属表面上的隐藏指纹 (LFP). 该方法增强了指纹对比度和耐用性,为法医调查提供了显著的进步.

关键词:
激光照射辐射的激光照射.隐藏的指纹 隐藏的指纹光学对比度的不同定向场的定向场是一个定向场.视觉化技术是一种可视化技术.

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Total internal reflection fluorescence microscopy or TIRF is an advanced microscopic technique used to visualize fluorophores in samples close to a solid surface with a higher refractive index, such as a glass coverslip. TIRF only allows fluorophores in proximity to the solid surface to be excited. When light from a medium with a lower refractive index (such as air) hits the glass coverslip at a critical angle, the light undergoes total internal reflection stead of passing through the glass.
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