TY - JOUR PB - American Physical Society ID - 10.1103/PhysRevFocus.17.15 TI - Giving Light a New Twist JF - Physical Review Focus JA - Phys. Rev. Focus J1 - FOCUS VL - 17 IS - SP - 15 EP - PY - 2006/04/28/ UR - http://link.aps.org/doi/10.1103/PhysRevFocus.17.15 A1 - Lindley, David ER -