Dynamics of picosecond laser-generated acoustic waves in solids

Yoshihiko Kanemitsu, Yoshinao Harada, Yuichi Tanaka, Noboru Nakano, Hiroto Kuroda, Kazushi Yamanaka

Research output: Contribution to journalArticlepeer-review

2 Citations (Scopus)

Abstract

Generation and propagation characteristics of picosecond laser-generated acoustic waves in solids were studied using an optical detection technique and a ZnO piezoelectric transducer. The propagation of laser-generated acoustic waves was directional. At the early stage of propagation, the propagation velocity of the wavefront exceeded the sound velocity in solids. The generation and propagation behavior of acoustic waves are very sensitive to the interaction conditions between laser pulses and solid surfaces. The formation and expansion of laser-generated plasmas affect the generation dynamics of acoustic waves.

Original languageEnglish
Pages (from-to)234-236
Number of pages3
JournalJapanese journal of applied physics
Volume28
Issue numberS1
DOIs
Publication statusPublished - 1989 Jan 1

ASJC Scopus subject areas

  • Engineering(all)
  • Physics and Astronomy(all)

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