Focussing of ultrasonic waves in air using a micromachined Fresnel zone-plate

Ultrasonics

Volumn 35, Issue 4, 1997, Pages 275-285

  Schindel, D W ^a,c   Bashford, A G ^b   Hutchins, D A ^b  

^a NATIONAL RESEARCH COUNCIL CANADA   (Canada)

^b UNIVERSITY OF WARWICK   (United Kingdom)

^c QUEEN S UNIVERSITY   (Canada)

Author keywords

Air coupled; Fresnel zone plate; Micromachining; Ultrasound

Indexed keywords

AIR; FOCUSING; MATHEMATICAL MODELS; MICROMACHINING; PLATE METAL; SIGNAL RECEIVERS; STAINLESS STEEL; ULTRASONIC MEASUREMENT; ULTRASONIC WAVES;

FRESNEL ZONE PLATE; RADIATION PROFILE; SPOT SIZE;

ULTRASONIC TRANSDUCERS;

EID: 0031167455     PISSN: 0041624X     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0041-624X(97)00011-5     Document Type: Article

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