Gas-coupled laser acoustic detection at ultrasonic and audio frequencies
Airborne acoustic waves have been detected by a laser-beam deflection technique in both the ultrasonic and audio frequency ranges. For ultrasonic applications, a probe beam is directed parallel to the surface of a sample. Ultrasonic waves in the solid are detected when an acoustic wave is radiated f...
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| Veröffentlicht in: | Review of scientific instruments 1998-08, Vol.69 (8), p.2912-2917 |
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| Hauptverfasser: | , , , |
| Format: | Artikel |
| Sprache: | eng |
| Online-Zugang: | Volltext |
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