Heterodyne Optical Sampling for Picosecond Ultrasonics and Nanoscale Heat Transfer

Eric Mottay (1) , Pierre Rigail (1) , Robert Braunschweig (1) , Christophe Pierre (2) , Sébastien Ermeneux (2) , Clément Rossignol (3) , Jean-Michel Rampnoux (4) , Stefan A Dilhaire (4)

1 Amplitude Systèmes
2 ALPhANOV
3 I2M - Institut de Mécanique et d'Ingénierie de Bordeaux
4 CPMOH - Centre de physique moléculaire optique et hertzienne

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.

Domaines: Physique [physics]

Eric Mottay, Pierre Rigail, Robert Braunschweig, Christophe Pierre, Sébastien Ermeneux, et al.. Heterodyne Optical Sampling for Picosecond Ultrasonics and Nanoscale Heat Transfer. 2009 Conference on Lasers and Electro-Optics and 2009 Conference on Quantum electronics and Laser Science Conference, May 2009, Baltimore, United States. ⟨10.1364/CLEO.2009.CMQ6⟩. ⟨hal-01840907⟩