J. A. Nielsen

Simulation and testing of a graded negative index of refraction lens

R.B. Greegor, Claudio G. Parazzoli, J. A. Nielsen et al. · Applied Physics Letters · 2005 · 132 citations

Optical Design, Optical Materials, Engineering +19

Performance of a negative index of refraction lens

Claudio G. Parazzoli, R.B. Greegor, J. A. Nielsen et al. · Applied Physics Letters · 2004 · 131 citations

Optical Design, Optical Materials, Engineering +16

Experimental Verification of Z Antennas at UHF Frequencies

Richard W. Ziolkowski, Peng Jin, J. A. Nielsen et al. · IEEE Antennas and Wireless Propagation Letters · 2009 · 50 citations

Z Antenna, Engineering, Radio Frequency +9

First test of the scanning X-ray microprobe with Bragg-Fresnel multilayer lens at ESRF beam line

P. Chevallier, P. Dhez, Fabien D. Legrand et al. · Nuclear Instruments and Methods in Physics Research Section A Accelerators Spectrometers Detectors and Associated Equipment · 1995 · 46 citations

Materials Science, Photonics, Engineering +13

Design and Experimental Verification of a 3D Magnetic EZ Antenna at 300 MHz

Richard W. Ziolkowski, Chia‐Ching Lin, J. A. Nielsen et al. · IEEE Antennas and Wireless Propagation Letters · 2009 · 38 citations

Magnetism, Electromagnetic Metamaterials, Experimental Verification +12