@article {263, title = {Limits to resolution of CW STED microscopy}, journal = {Advances In Atomic, Molecular, and Optical Physics}, volume = {62}, year = {2013}, pages = {279-302}, author = {A. S. Trifonov and J. C. Jaskula and C. Teulon and D. R. Glenn and Bar-Gill, N and R. L. Walsworth} }