Title :
Heterodyne optical sampling for picosecond ultrasonics and nanoscale heat transfer
Author :
Mottay, Eric ; Rigail, Pierre ; Braunschweig, Robert ; Pierre, Christophe ; Ermeneux, Sebastien ; Rossignol, Clement ; Rampnoux, Jean-Michel ; Dilhaire, Stefan
Author_Institution :
Amplitude Syst., Pessac, France
Abstract :
We present a novel ultrafast pump-probe system, allowing for a drastic reduction in acquisition time, typically a few tens of minutes for 20,000 frames. We present acoustic waves and heat transfer measurements in nanometric layers.
Keywords :
heat transfer; heterodyne detection; high-speed optical techniques; measurement by laser beam; thermal variables measurement; ultrasonic variables measurement; acquisition time; compact dual-oscillator ultrafast laser system; heterodyne optical sampling; nanoscale heat transfer measurement; picosecond ultrasonics measurement; ultrafast pump-probe system; Acoustic beams; Acoustic measurements; Acoustic waves; Delay lines; Heat transfer; Laser excitation; Optical mixing; Pump lasers; Sampling methods; Time measurement; (320.7080) Ultrafast devices; (320.7100) Ultrafast measurements;
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
