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<p>This research elucidates a metamaterial (MM) biosensor designed within the terahertz frequency spectrum to identify cutaneous malignancies. The biosensor design includes a polyimide (PI) dielectric layer placed between a metallic substrate and gold (Au) patches on the upper surface. This structural arrangement culminates in an extreme absorption efficiency of 98.84% at a frequency of 3.257 THz, accompanied by a noteworthy quality factor (Q-factor) of 325.7 and an average figure of merit (FOM) of 89.7 RIU⁻<sup>1</sup>. Furthermore, compared to the performance of earlier biosensors, it offers an average sensitivity of 897&#xa0;GHz/RIU, making it highly advantageous for biomedical applications.</p>

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Skin Cancer Detection Using a High-Performance Metamaterial Biosensor

  • 期刊论文

  • 发表日期：

    2025年3月31日

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  • Tahar Aliouar,
  • Fatima Djerfaf,
  • Djalal Eddine Bensafieddine,
  • Fathi Bendelala

摘要

This research elucidates a metamaterial (MM) biosensor designed within the terahertz frequency spectrum to identify cutaneous malignancies. The biosensor design includes a polyimide (PI) dielectric layer placed between a metallic substrate and gold (Au) patches on the upper surface. This structural arrangement culminates in an extreme absorption efficiency of 98.84% at a frequency of 3.257 THz, accompanied by a noteworthy quality factor (Q-factor) of 325.7 and an average figure of merit (FOM) of 89.7 RIU⁻1. Furthermore, compared to the performance of earlier biosensors, it offers an average sensitivity of 897 GHz/RIU, making it highly advantageous for biomedical applications.