Triple-band terahertz metamaterial absorber with enhanced sensing capabilities Shahzad Anwar, Qasim Khan, Ghafar Ali, Maaz Khan and Muhammad Maqbool Eur. Phys. J. D, 77 4 (2023) 69 Published online: 29 April 2023 DOI: 10.1140/epjd/s10053-023-00658-w