AUTHOR=Zhen Fajian , Liu Yunqing , Dong Junwei , Kong Shiyuan , Jia Feng , Arya Ravi Kumar TITLE=Miniaturized single layer ultra-thin polarization insensitive metasurface absorber JOURNAL=Frontiers in Physics VOLUME=Volume 13 - 2025 YEAR=2025 URL=https://www.frontiersin.org/journals/physics/articles/10.3389/fphy.2025.1560761 DOI=10.3389/fphy.2025.1560761 ISSN=2296-424X