Laser-ultrasonics: a new tool for the industry

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Series titleProceedings of SPIE; no. 4087
ConferenceSPIE International Conference on the Applications of Photonic Technology (ICAPT) 4, June 12 2000, Quebec City, Canada
Subjectlaser-ultrasonics; laser-based ultrasound; ultrasonic nondestructive testing; materials characterization
AbstractIn this paper we explore laser induced breakdown spectroscopy (LIBS) at relatively low energies in the range 10 - 350 tJ. We present measurements ofthe threshold laser energy needed for LIBS and the scaling of plasma size and crater size with energy. The effects of the laser pulse length and gating of the detector on the LIB spectra are studied and we also assess the use of microjoule LIBS for the identification of Al alloys.
AffiliationNRC Industrial Materials Institute; National Research Council Canada
Peer reviewedYes
NPARC number21273124
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Record identifier7506f121-1915-4da8-a061-953c39c5ff9f
Record created2014-12-16
Record modified2017-09-13
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