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<p>In this study, we demonstrate the enhanced absorption of high-intensity laser pulses on metallic surfaces embedded with nanoparticles. By introducing amplitude modulation to the laser pulse, we reveal a substantial increase in energy absorption, driven by resonant surface charge oscillations. The modulation plays a critical role in amplifying these oscillations, thereby significantly improving the coupling of laser energy into the target material. A detailed theoretical model is developed to describe the underlying physical mechanisms governing this enhancement, offering new insights into laser-matter interactions on nanostructured metallic interfaces.</p>

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Enhanced Laser Absorption on Metallic Surfaces Embedded with Nanoparticles

  • 期刊论文

  • 发表日期：

    2025年10月15日

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  • Devki Nandan Gupta,
  • Jyotsna Sharma

摘要

In this study, we demonstrate the enhanced absorption of high-intensity laser pulses on metallic surfaces embedded with nanoparticles. By introducing amplitude modulation to the laser pulse, we reveal a substantial increase in energy absorption, driven by resonant surface charge oscillations. The modulation plays a critical role in amplifying these oscillations, thereby significantly improving the coupling of laser energy into the target material. A detailed theoretical model is developed to describe the underlying physical mechanisms governing this enhancement, offering new insights into laser-matter interactions on nanostructured metallic interfaces.