His research focuses on discovering how nanometer- to micrometer-scale particles interact with plasmas on the most fundamental level. These researched plasmas include electrically generated discharges and plasmas induced by highly energetic photons and electrons.

Earlier in his career, Beckers developed a wearable plasma filter for medical purposes, to reduce the odor of ostomy bags.

His specialties include general and applied physics, plasma physics, dusty plasmas, physics of the plasma sheath and pre-sheath, extreme UV (EUV) plasma sources for lithography and EUV-induced plasmas.