TY - JOUR TI - Designing of triple rings metasurface based perfect absorber for C–band and X–band applications AU - PATEL, J.M. AU - MEHTA, R.D. JO - Sigma Journal of Engineering and Natural Sciences PY - 2025 VL - 43 SP - 1693 EP - 1703 DO - 10.14744/sigma.2025.00159 ER -