FREQUENCY SPECTRUM ANALYSIS OF ULTRASONIC PULSE EXCITED BY LASER AT METAL SURFACES

Chin. Phys. Lett.

1990, Vol. 7

Issue (11): 500-502 DOI:

Original Articles

FREQUENCY SPECTRUM ANALYSIS OF ULTRASONIC PULSE EXCITED BY LASER AT METAL SURFACES

BAI Yuhai;PEI Liwei;FANG Qiping;YAN Yuping

Institute of Acoustics, Academia Sinica, Beijing 100080

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BAI Yuhai, PEI Liwei, FANG Qiping et al 1990 Chin. Phys. Lett. 7 500-502

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Abstract The frequency spectrum of laser-excited ultrasonic wave has been measured in various metals including aluminum, steel and copper, at both free and modified surfaces. The result shows that the material and surface modification affect the spectrum.

Keywords: 43.35.+d 43.88.+q 78.20.Hp

Published: 01 November 1990

PACS:	43.35.+d	(Ultrasonics, quantum acoustics, and physical effects of sound)
	43.88.+q
	78.20.Hp

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https://cpl.iphy.ac.cn/ OR https://cpl.iphy.ac.cn/Y1990/V7/I11/0500

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