Laser ultrasonic generation and optical detection and processing

查看全文 作　　者：YE Peide, SHI Jun CHEN Guilin (Shanghai Institute of Technical Physics, Academia Sinica Shanghai 200083) 出　　处：《Chinese Journal of Acoustics》索引1992年第11卷第3期,共6页 摘　　要：History,present situation and importancy of the laser-generatedultrasonic technique arc presented.Basic principles and some experimentalresults of laser ultrasonic generation and optical detection and processing arediscussed.Several problems about applying this technique to NDT are also dis-cussed in this paper. 关 键 词：ultrasonic applying INTERFEROMETER stabilization SCATTERED ablation AMPLIFIER AUTOMATICALLY MIRROR SYMMETRIC