TY - JOUR PB - American Physical Society ID - 10.1103/PhysRevFocus.21.7 TI - Electron Stroboscope JF - Physical Review Focus JA - Phys. Rev. Focus J1 - FOCUS VL - 21 IS - SP - 7 EP - PY - 2008/02/21/ UR - http://link.aps.org/doi/10.1103/PhysRevFocus.21.7 A1 - Cofield, Calla ER -