Scanning laser acoustic microscopy finds flaws in ceramic specimens. Laser light used to detect distortions, on angstrom scale, produced on surface of specimen by ultrasonic waves transmitted through specimen. From distortion, SLAM creates picture on video monitor of such defects as voids, inclusions, and cracks.
Reliability Of Inspection By SLAM
NASA Tech Briefs ; 12 , 5
1988-05-01
Miscellaneous
No indication
English
Opportunistic sampling-based active visual SLAM for underwater inspection
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