A 14-channel 7 GHz VCO-based EPR-on-a-chip sensor with rapid scan capabilities. - Mohamed Atef Hassan; Tarek Elrifai; Ayman Sakr; Michal Kern; Klaus Lips; Jens Anders (IEEE SENSORS, 2021)

A 7 GHz VCO-based EPR spectrometer incorporating a UWB data link. - Tarek Elrifai; Ayman Sakr; Hadi Lotfi; Mohamed Atef Hassan; Klaus Lips; Jens Anders (NEWCAS, 2022)