TY - JOUR PB - American Physical Society ID - 10.1103/PhysRevFocus.18.14 TI - Splitting a Light Beam in Two JF - Physical Review Focus JA - Phys. Rev. Focus J1 - FOCUS VL - 18 IS - SP - 14 EP - PY - 2006/11/01/ UR - http://link.aps.org/doi/10.1103/PhysRevFocus.18.14 A1 - Lindley, David ER -