EXCITATION OF HIGH-FREQUENCY SURFACE ACOUSTIC-WAVES BY PHASE-VELOCITY SCANNING OF A LASER INTERFERENCE FRINGE

被引：45
|
作者：
NISHINO, H [1 ]
TSUKAHARA, Y [1 ]
NAGATA, Y [1 ]
KODA, T [1 ]
YAMANAKA, K [1 ]
机构：
[1] TOPPAN PRINTING CO LTD,TECHN RES INST,SAITAMA 345,JAPAN
来源：
APPLIED PHYSICS LETTERS | 1993年 / 62卷 / 17期
关键词：
D O I：
10.1063/1.109471
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
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.
引用
收藏
页码：2036 / 2038
页数：3
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