@article{PhysRevFocus.18.14, title = {Splitting a Light Beam in Two}, author = {Lindley, David}, journal = {Phys. Rev. Focus}, volume = {18}, issue = {}, pages = {14}, numpages = {1}, year = {2006}, month = {Nov}, doi = {10.1103/PhysRevFocus.18.14}, url = {http://link.aps.org/doi/10.1103/PhysRevFocus.18.14}, publisher = {American Physical Society} }