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<p>A new type of plastic based photonic crystal fiber (PCF) with high birefringence and multiple zero dispersion wavelengths has been investigated. The dispersion of the plastic PCF has been calculated and compared with that of a standard plastic-free fiber. The study reveals striking similarities between the dispersion curves of both fibers, with notable enhancements observed in certain aspects. Through a deliberate selection and fusion of materials such as Poly methyl methacrylate (PMMA) with either Polystyrene or polycarbonate, it becomes feasible to meticulously counterbalance both normal and anomalous dispersion within specific wavelength ranges. This strategic approach enables the attainment of desired optical effects by precisely manipulating the dispersion characteristics of the composite materials. The measurements have been conducted employing a Gaussian pulse to assess both Ex and Ey modes. Our observations reveal that a more intricate design approach results in achieving zero dispersion alongside high birefringence through the substitution of cladding material with plastic.</p>

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Sensing applications of high birefringence and low dispersion plastic PCFs containing elliptical dielectric rods

  • 期刊论文

  • 发表日期：

    2025年6月5日

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  • Subhashish Tiwari,
  • Ajay Kumar Vyas,
  • Yogesh Dixit,
  • Ajay Sudhir Bale,
  • Achyutesh Dixit,
  • Abhishek Tripathi

摘要

A new type of plastic based photonic crystal fiber (PCF) with high birefringence and multiple zero dispersion wavelengths has been investigated. The dispersion of the plastic PCF has been calculated and compared with that of a standard plastic-free fiber. The study reveals striking similarities between the dispersion curves of both fibers, with notable enhancements observed in certain aspects. Through a deliberate selection and fusion of materials such as Poly methyl methacrylate (PMMA) with either Polystyrene or polycarbonate, it becomes feasible to meticulously counterbalance both normal and anomalous dispersion within specific wavelength ranges. This strategic approach enables the attainment of desired optical effects by precisely manipulating the dispersion characteristics of the composite materials. The measurements have been conducted employing a Gaussian pulse to assess both Ex and Ey modes. Our observations reveal that a more intricate design approach results in achieving zero dispersion alongside high birefringence through the substitution of cladding material with plastic.