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<p>This paper presents a new cancer detection sensor using an octagonal photonic crystal fiber (PCF) to identify cancerous tissues in the breast, cervix, and skin. The sensor is designed to provide highly accurate detection due to the advanced properties of PCF. The study uses the finite element method (FEM) and MATLAB to design and analyze the sensor. The results show a strong mathematical evaluation of its performance across the 1.0–3.0 THz frequency range. Notably, the sensor achieves a relative sensitivity of approximately 97% and a confinement loss of about 10<sup>−8</sup>&#xa0;dB/m at 2.2 THz for all investigated breast, cervical, and skin. Furthermore, the lowest effective material loss for breast is 0.0047155&#xa0;cm<sup>−1</sup> at 2.2 THz. This sensor uses the unique photonic properties of cancer cells to quickly and accurately detect breast, cervical, and skin cancers. Its small size and flexible design allow for minimally invasive procedures, making it suitable for real-time cancer diagnosis in biomedical applications.</p>

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High-sensitive terahertz photonic crystal fiber sensor for breast, cervical, and skin cancer diagnosis in biomedical applications

  • 期刊论文

  • 发表日期：

    2025年5月13日

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  • Md. Anowar Kabir,
  • Hasan Abdullah,
  • Sakib Anzum Pranto,
  • Sadia Afrin Mim,
  • Mahedi Hasan,
  • Md. Abir Hossain,
  • Md. Selim Hossain,
  • Shuvo Sen

摘要

This paper presents a new cancer detection sensor using an octagonal photonic crystal fiber (PCF) to identify cancerous tissues in the breast, cervix, and skin. The sensor is designed to provide highly accurate detection due to the advanced properties of PCF. The study uses the finite element method (FEM) and MATLAB to design and analyze the sensor. The results show a strong mathematical evaluation of its performance across the 1.0–3.0 THz frequency range. Notably, the sensor achieves a relative sensitivity of approximately 97% and a confinement loss of about 10−8 dB/m at 2.2 THz for all investigated breast, cervical, and skin. Furthermore, the lowest effective material loss for breast is 0.0047155 cm−1 at 2.2 THz. This sensor uses the unique photonic properties of cancer cells to quickly and accurately detect breast, cervical, and skin cancers. Its small size and flexible design allow for minimally invasive procedures, making it suitable for real-time cancer diagnosis in biomedical applications.