Low-frequency air-coupled ultrasonic system beyond diffraction limit using pinhole

Japanese Journal of Applied Physics, Part 1: Regular Papers and Short Notes and Review Papers

Volumn 45, Issue 5 B, 2006, Pages 4560-4564

  Sasaki, Katsuhiro ^a   Nishihira, Morimasa ^a   Imano, Kazuhiko ^a  

^a AKITA UNIVERSITY   (Japan)

Author keywords

Air coupled ultrasonic wave; Conical acoustic probe; Diffraction limit; Lateral resolution; Low frequency; Pinhole; Surface topographical profiling

Indexed keywords

ALUMINUM; DIFFRACTION; PROBES; ULTRASONIC WAVES;

AIR-COUPLED ULTRASONIC WAVE; CONICAL ACOUSTIC PROBE; CONICAL ACOUSTIC PROBE (CAP); DIFFRACTION LIMIT; LATERAL RESOLUTION; LOW FREQUENCY; PINHOLE; SURFACE TOPOGRAPHICAL PROFILING;

ULTRASONICS;

EID: 33744494042     PISSN: 00214922     EISSN: 13474065     Source Type: Journal    
DOI: 10.1143/JJAP.45.4560     Document Type: Article

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