Advanced dual-core photonic crystal fiber sensor: pioneering high-precision gasoline sensingShyamal Kumar, Sapana Yadav, Vikash Mourya, Pratishtha Pandey, D. K. Dwivedi, Pooja Lohia and R. K. YadavEur. Phys. J. Plus, 140 9 (2025) 851DOI: https://doi.org/10.1140/epjp/s13360-025-06815-x