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Advanced refractive index sensor based on photonic crystal fiber with elliptically split cores

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Abstract

This article describes a photonic crystal fiber (PCF) with two cores as refractive index sensor that was built using COMSOL Multiphysics software by considering elliptical shaped air holes within the cladding. The two cores of the PCF are formed by an elliptical air hole at center, which represents two independent waveguides. The approach is intrinsically suited to investigate the sensor's performance, a full-vector Finite Element Method technique is employed. According to mathematical evidence, the proposed PCF based sensor has maximum sensitivities 9000 nm/RIU and 10,000 nm/RIU for x-polarized and y-polarized respectively. The sensing range of analyte is 1.35–1.39. The proposed sensor that has excellent sensitivity reveals an unmatched capacity for detecting chemicals, agents that cause cancer, biomolecules, and other analytes.

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Data availability

Data underlying the results presented in this paper are not publicly available at this time but may be obtained from the authors upon reasonable request.

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Acknowledgements

The authors are grateful to the participants who contributed to this research.

Funding

This work of Santosh Kumar was supported by the Double-Hundred Talent Plan of Shandong Province, China.

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Authors and Affiliations

  1. Department of Electronics and Communication Engineering, Madan Mohan Malaviya University of Technology, Gorakhpur, Uttar Pradesh, 273010, India

    Ram Pravesh, Dharmendra Kumar & Bramha P. Pandey

  2. Department of Computer Science and Engineering, Galgotias College of Engineering and Technology, Greater Noida, Uttar Pradesh, 201310, India

    Vijay Shanker Chaudhary

  3. Department of Information Technology and Computer Application (ITCA), Madan Mohan Malaviya University of Technology, Gorakhpur, Uttar Pradesh, 273010, India

    Dayashankar Singh

  4. Shandong Key Laboratory of Optical Communication Science and Technology, School of Physics Science and Information Technology, Liaocheng University, Liaocheng, 252059, China

    Santosh Kumar

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  1. Ram Pravesh
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  4. Vijay Shanker Chaudhary
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  6. Santosh Kumar
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Contributions

RP: Methodology, Writing—review & editing. DK and BPP: Supervision, Writing—original draft. VSC, DS and SK: review & editing.

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Correspondence to Dharmendra Kumar.

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Pravesh, R., Kumar, D., Pandey, B.P. et al. Advanced refractive index sensor based on photonic crystal fiber with elliptically split cores. Opt Quant Electron 55, 1205 (2023). https://doi.org/10.1007/s11082-023-05516-y

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