Efficient Microwave Absorption in Thin Cylindrical Targets: Experimental   Evidence
  Significant (4%) absorption of microwave power focused on a thin fiber (the diameter is three orders of magnitude less than the wavelength) is demonstrated experimentally. 
A. Akhmeteli, N. G. Kokodiy, B. V. Safronov, V. P. Balkashin, I. A.   Priz, A. Tarasevitch
physics.plasm-ph