Excitation of high frequency surface acoustic waves by phase velocity scanning of a laser interference fringe

Hideo Nishino; Yusuke Tsukahara; Yoshihiko Nagata; Toshio Koda; Kazushi Yamanaka

doi:10.1063/1.109471

Excitation of high frequency surface acoustic waves by phase velocity scanning of a laser interference fringe

Hideo Nishino, Yusuke Tsukahara, Yoshihiko Nagata, Toshio Koda, Kazushi Yamanaka

New Industry Creation Hatchery Center (NICHe)

Research output: Contribution to journal › Article › peer-review

54 Citations (Scopus)

Abstract

We present a novel method for generating 100 MHz band surface acoustic wave (SAW) by using a scanning interference fringe at the phase velocity of the SAW. The scanning interference fringe is obtained by intersecting two laser beams with different frequencies, and used as a thermoelastic source. The principle of this method is described, and experimentally demonstrated in the 110 MHz Rayleigh waves on an aluminum specimen generated by a long-pulse (140 ns) Q-switched Nd:YAG laser.

Original language	English
Pages (from-to)	2036-2038
Number of pages	3
Journal	Applied Physics Letters
Volume	62
Issue number	17
DOIs	https://doi.org/10.1063/1.109471
Publication status	Published - 1993

ASJC Scopus subject areas

Physics and Astronomy (miscellaneous)

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10.1063/1.109471

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abstract = "We present a novel method for generating 100 MHz band surface acoustic wave (SAW) by using a scanning interference fringe at the phase velocity of the SAW. The scanning interference fringe is obtained by intersecting two laser beams with different frequencies, and used as a thermoelastic source. The principle of this method is described, and experimentally demonstrated in the 110 MHz Rayleigh waves on an aluminum specimen generated by a long-pulse (140 ns) Q-switched Nd:YAG laser.",

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AU - Tsukahara, Yusuke

AU - Nagata, Yoshihiko

AU - Koda, Toshio

AU - Yamanaka, Kazushi

PY - 1993

Y1 - 1993

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AB - We present a novel method for generating 100 MHz band surface acoustic wave (SAW) by using a scanning interference fringe at the phase velocity of the SAW. The scanning interference fringe is obtained by intersecting two laser beams with different frequencies, and used as a thermoelastic source. The principle of this method is described, and experimentally demonstrated in the 110 MHz Rayleigh waves on an aluminum specimen generated by a long-pulse (140 ns) Q-switched Nd:YAG laser.

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Excitation of high frequency surface acoustic waves by phase velocity scanning of a laser interference fringe

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