Title :
Ultrafast, element-specific, demagnetization dynamics probed using coherent high harmonic beams
Author :
La-O-Vorakiat, Chan ; Mathias, Stefan ; Grychtol, Patrik ; Adam, Roman ; Siemens, Mark ; Shaw, Justin ; Nembach, Hans ; Aeschlimann, Martin ; Schneider, Claus M. ; Silva, Thomas ; Murnane, Margaret ; Kapteyn, Henry
Author_Institution :
Dept. of Phys. & JILA, Univ. of Colorado, Boulder, CO, USA
Abstract :
High harmonics from a tabletop laser are used to probe ultrafast demagnetization of a compound material (Permalloy) with elemental selectivity. We achieve the highest time resolution, element-specific, measurements to date at 50fs.
Keywords :
Demagnetization; Laser theory; Magnetic materials; Magnetization; Magnetooptic effects; Optical materials; Power harmonic filters; Probes; Ultraviolet sources; X-ray lasers;
Conference_Titel :
Lasers and Electro-Optics (CLEO) and Quantum Electronics and Laser Science Conference (QELS), 2010 Conference on
Conference_Location :
San Jose, CA, USA
Print_ISBN :
978-1-55752-890-2
Electronic_ISBN :
978-1-55752-890-2