Title :
Probing ultrafast magnetization dynamics using bright circularly polarized high harmonics
Author :
Zusin, Dmitriy ; Knut, Ronny ; Grychtol, Patrik ; Kfir, Ofer ; Gentry, Christian ; Nembach, Hans ; Shaw, Justin ; Silva, Tom ; Fleischer, Avner ; Cohen, Oren ; Kapteyn, Henry ; Murnane, Margaret
Author_Institution :
Dept. of Phys., Univ. of Colorado, Boulder, CO, USA
Abstract :
We generate bright circularly polarized high harmonics and use this new table-top light source to capture ultrafast magnetization dynamics for the first time by measuring laser-driven ultrafast demagnetization in a FeCr alloy.
Keywords :
chromium alloys; demagnetisation; high-speed optical techniques; iron alloys; light sources; magnetisation; magneto-optical effects; optical harmonic generation; FeCr; FeCr alloy; bright circularly polarized high harmonic generation; laser-driven ultrafast demagnetization; table-top light source; ultrafast magnetization dynamics; Demagnetization; Harmonic analysis; Magnetic separation; Magnetization; Nickel; Saturation magnetization; X-rays;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2015 Conference on
Conference_Location :
San Jose, CA
