@inproceedings{CTT100661770, author = {H.Kuwabara and K.Hayashi and Y.Kuroda and H.Nose and K.Hotozuka and M.Nakajima and K.Horioka}, title = {Counter-facing plasma focus system as an efficient and long-pulse EUV light source}, booktitle = {Proc. SPIE 7969}, year = 2011, }