Title :
Ultrafast optical measurements of coherent acoustic phonon attenuation in silicon
Author :
Daly, B.C. ; Kang, K. ; Cahill, D.G.
Author_Institution :
Phys. & Astron. Dept., Vassar Coll., Poughkeepsie, NY, USA
Abstract :
We report measurements of the attenuation of ~100 GHz coherent acoustic phonons in silicon and results are compared with existing theory. The results have implications for nanoscale thermal transport models and novel acoustic imaging schemes.
Keywords :
high-speed optical techniques; optical attenuators; phonons; silicon; acoustic imaging schemes; coherent acoustic phonon attenuation; thermal transport models; ultrafast optical measurements; Acoustic measurements; Acoustic pulses; Attenuation measurement; Frequency; Optical attenuators; Phonons; Silicon; Temperature dependence; Temperature distribution; Ultrafast optics; (110.7170) Ultrasound; (320.7130) Ultrafast Processes in Condensed Matter;
Conference_Titel :
Lasers and Electro-Optics, 2009 and 2009 Conference on Quantum electronics and Laser Science Conference. CLEO/QELS 2009. Conference on
Conference_Location :
Baltimore, MD
Print_ISBN :
978-1-55752-869-8
Electronic_ISBN :
978-1-55752-869-8
