1. ISO 11146-1,2,3, Lasers and Laser-Related Equipment—Test Methods for Laser Beam Widths, Divergence Angles and Beam Propagation Ratios, International Organization for Standardization (ISO), Geneva, 2004/2005.
2. ISO/DIS 13694, Lasers and Laser Related Equipment—Test Methods for Laser Beam Power (energy) Distribution, International Organization for Standardization (ISO), Geneva, 1998.
3. ISO 15367-1,2, Lasers and Laser Related Equipment—Test Methods for Determination of the Shape of a Laser Beam Wavefront, International Organization for Standardization (ISO), Geneve, 2003.
4. Beam parameters of FLASH beamline BL1 from Hartmann wavefront measurements;Flöter;Nucl. Instr. and Meth. A,2010
5. Hartmann wave-front measurement at 134 nm with λ_EUV/120 accuracy