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Laboratory of Applied Solid State Physics |
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Current research activities: picosecond ultrasonics and plasmonics in nanostructures, plasphonics, acoustic metamaterials,
surface acoustic wave visualization with ultrashort optical pulses, ultrafast electronic and thermal
diffusion, nanoscale phonon detection using
atomic force microscopy
Top News:
Observing topological vibration propagation with a 2D wave machine
New!
Picosecond acoustic tomography
New!
Measuring elasticity distribution in transparent materials
New!
Stopping sound with a compact maze ball
Sound transmission between nanowires
Detecting sound with electron spin
Gallery
News Articles and Press Coverage
Animation gallery
Postdocs: Paul H. Otsuka
Students:
Alumni staff: Prof. Oliver B. Wright
Observing topological vibration propagation with a 2D wave machine
Picosecond acoustic tomography
Measuring elasticity distribution in transparent materials
Stopping sound with a compact maze ball
Sound transmission between nanowires
Detecting sound with electron spin
Squeezing sound in solids
The magic beam that won't vibrate
Watching waves going nowhere
Giant water-to-air sound transmission
Watching ripples on a metamaterial
Wobbling an optical metamaterial at ultrahigh frequencies
Tracking picosecond sound pulses inside a nano-object
3D animal-cell imaging with picosecond ultrasonics
Watching phonons in k-space
Acoustically-invisible walls
What is a phonon diode?
Imaging vibrating nanovoids
X-shaped caustics in gratings
Watching whispering-gallery waves
Vibrations of gold nanorings
Mapping the dispersion surfaces of a phononic crystal
Ultrafast contact mechanics
Watching ripples on square phononic crystal lattices
Watching ripples on crystals
Watching vibrations on an acoustic resonator
Picosecond ultrasonics in liquid mercury
Watching ripples on phononic crystals
Ripples between two crystals
Time reversal acoustics on the microscale
Picosecond ultrasonics with
ultrashort light pulses
Picosecond shearing
Picosecond ultrasonics in ice
Ultrasonic force microscopies
Ultrafast electron dynamics in thin metal films
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| Spring azaleas and fountain | Summer duck sails across the pond |
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| Autumn view of pond | Winter ducks disobey instructions |
Our laboratory rooms are A2-24, A2-25, P261 in the Faculty of Engineering. Click here for the Map of our Faculty and for Access to the university.
Any comments and suggestions are welcome. Please write to
or e-mail to this address:
assp@eng.hokudai.ac.jp
Background image : Snapshot of surface acoustic waves propagating on crystals and complex nanostructures (200 micrometer x 200 micrometer regions).
Copyright © 2010 Laboratory of Applied Solid State Physics, Graduate School of Engineering, Hokkaido University, Sapporo, Japan