Title :
Properties of hard x-rays generated by femtosecond laser interaction with Cu in a laminar helium flow in ambient air
Author :
Hou, Bixue ; Easter, James ; Krushelnick, Karl ; Nees, John A.
Author_Institution :
Center for Ultrafast Opt. Sci., Michigan Univ., Ann Arbor, MI
Abstract :
Hard X-rays are generated in laminar helium flow in atmosphere by tightly focused 35 fs-3 mJ laser pulses interacting with Cu. Spectrum, efficiency and source size are compared with those measured in vacuum and in static helium.
Keywords :
copper; helium; high-speed optical techniques; laminar flow; laser beams; plasma X-ray sources; Cu; He; energy 3 mJ; femtosecond laser interaction; hard X-rays generation; laminar helium flow; laser pulses; plasma effects; time 35 fs; Adaptive optics; Electrons; Helium; Laser noise; Optical distortion; Optical pulse generation; Optical refraction; Plasma measurements; Ultrafast optics; X-ray lasers; 340.7480 X-rays, soft x-rays, extreme ultraviolet (EUV); 350.5400 Plasmas;
Conference_Titel :
Lasers and Electro-Optics, 2008 and 2008 Conference on Quantum Electronics and Laser Science. CLEO/QELS 2008. Conference on
Conference_Location :
San Jose, CA
Print_ISBN :
978-1-55752-859-9
