Elhefnawy M, Kim K, Kim T-H, Lee W-S. A Low Profile Polarization-insensitive Multiple-band Metamaterial Absorber using a Slotted Octagonal Unit Cell. ACES Journal [Internet]. 2024 May 31 [cited 2026 Jul. 10];39(05):440-51. Available from: https://journals.riverpublishers.com/index.php/ACES/article/view/25287