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<p>Surface plasmon resonance based fiber optic sensor fabricated from gold and molybdenum disulfide is presented experimentally. Wavelength interrogation technique is used for the analysis of the sensor. In this technique, light from a polychromatic source is launched into one of the ends of the optical fiber and the transmitted light is monitored from the other end of the optical fiber using a spectrometer. Effects of thicknesses of gold and molybdenum disulfide layers on the sensitivity of the sensor have been thoroughly studied. Molybdenum disulfide is found to improve the sensing capability of the sensor. Sensor fabricated from 30&#xa0;nm thick gold-15&#xa0;nm thick molybdenum disulfide layers demonstrates the highest sensitivity.</p>

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Experimental investigation of molybdenum disulfide based fiber optic surface plasmon resonance sensor

  • 期刊论文

  • 发表日期：

    2025年5月10日

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  • Shikha Sachdeva,
  • Vicky Kapoor,
  • Navneet K. Sharma

摘要

Surface plasmon resonance based fiber optic sensor fabricated from gold and molybdenum disulfide is presented experimentally. Wavelength interrogation technique is used for the analysis of the sensor. In this technique, light from a polychromatic source is launched into one of the ends of the optical fiber and the transmitted light is monitored from the other end of the optical fiber using a spectrometer. Effects of thicknesses of gold and molybdenum disulfide layers on the sensitivity of the sensor have been thoroughly studied. Molybdenum disulfide is found to improve the sensing capability of the sensor. Sensor fabricated from 30 nm thick gold-15 nm thick molybdenum disulfide layers demonstrates the highest sensitivity.