Title :
Detection of ultrahigh frequency acoustic transients using coherent EUV light
Author :
Tobey, Ra´anan ; Siemens, Mark ; Murnane, Margaret ; Kapteyn, Henry ; Nelson, Keith
Author_Institution :
Dept. of Phys., Colorado Univ., Boulder, CO, USA
Abstract :
Ultrahigh-frequency narrow-band surface acoustic waves are detected using diffraction of extreme ultraviolet (EUV) light from a laser-generate transient grating. Initial experiments have probed surface periodicities as small as 750 nm, with corresponding acoustic frequencies of 4.7 GHz.
Keywords :
diffraction gratings; light coherence; light diffraction; metallic thin films; photoacoustic effect; surface acoustic waves; ultraviolet sources; 4.7 GHz; Ni; Ni thin films; acoustic frequency; coherent EUV light diffraction; laser-generate transient grating; surface periodicity; ultrahigh frequency acoustic transient; ultrahigh-frequency narrow-band surface acoustic wave detection; Acoustic beams; Acoustic signal detection; Acoustic waves; Frequency; Nonlinear optics; Optical films; Optical surface waves; Probes; Surface acoustic waves; Ultraviolet sources;
Conference_Titel :
Quantum Electronics and Laser Science Conference, 2005. QELS '05
Print_ISBN :
1-55752-796-2
DOI :
10.1109/QELS.2005.1548927
