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 750nm, with corresponding acoustic frequencies of 4.7GHz.
© 2005 Optical Society of America
(320.0320) Ultrafast optics : Ultrafast optics
(320.7110) Ultrafast optics : Ultrafast nonlinear optics
(320.7130) Ultrafast optics : Ultrafast processes in condensed matter, including semiconductors
R. 'a. I. Tobey, M. Siemens, M. M. Murnane, H. C. Kapteyn, and K. A. Nelson, "Detection of Ultrahigh Frequency Acoustic Transients Using Coherent EUV Light," in Conference on Lasers and Electro-Optics/Quantum Electronics and Laser Science and Photonic Applications Systems Technologies, Technical Digest (CD) (Optical Society of America, 2005), paper QFC5.
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