@conference {hubbard2002focusing,
	title = {Focusing of laser pulses using a plasma channel lens},
	booktitle = {IEEE Conference Record-Abstracts. 2002 IEEE International Conference on Plasma Science (Cat. No. 02CH37340)},
	year = {2002},
	pages = {113},
	publisher = {IEEE},
	organization = {IEEE},
	author = {Hubbard, RF and Hafizi, B and Gordon, DF and Jones, TG and Kaganovich, D and Sprangle, P and Ting, A and Zigler, A}
}
