A solid-state 193 nm laser with high spatial coherence for sub-40 nm interferometric immersion lithographyAndrew J. MerriamDonald S. Bethuneet al.2007SPIE Advanced Lithography 2007
Efficient nonlinear frequency conversion to 193-nm using cooled BBOAndrew J. MerriamJames J. Jacobet al.2007ASSP 2007