Ultrafast electron oscillation and dephasing in Cr:Al2O3 solid-state material monitored by attosecond light source

Dr. Hiroki Mashiko, Dr. Katsuya Oguri, and Dr. Hideki Gotoh of Nippon Telegraph and Telephone Corporation (NTT) and Mr. Yuta Chisuga, Assoc. Prof. Ikufumi Katayama and Mr. Hiroyuki Masuda, and Prof. ...

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A novel mechanical system for amplifying ultrasound signals

~Compression of ultrasound wavepacket using phononic crystal~

NTT Basic Research Laboratories and Tohoku University have developed an artificial acoustic structure called phononic crystal and demonstrated pulse compression and amplification by controlling the &l...

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