Conical type ultrasonic transducer with apodised vibration area for generation of limited diffraction beams

Electronics Letters

Volumn 32, Issue 25, 1996, Pages 2304-2305

  Koike, T ^a   Yamada, K ^a   Nakamura, K ^a  

^a TOHOKU UNIVERSITY   (Japan)

Author keywords

Ultrasonic transducers

Indexed keywords

BANDWIDTH; FUNCTIONS; ULTRASONIC DIFFRACTION;

APODISATION METHOD; BESSEL FUNCTIONS;

ULTRASONIC TRANSDUCERS;

EID: 0030571469     PISSN: 00135194     EISSN: None     Source Type: Journal    
DOI: 10.1049/el:19961536     Document Type: Article

References (5)

1. DURNIN, J.: 'Exact solutions for non-diffracting beams. 1. The scalar theory', J. Opt. Soc. Am., 1987, A4, pp. 651-654
2. YAMADA, K., TASEI, K., and NAKAMURA, K.: 'Weighted conical transducer for generation of Bessel beam ultrasound'. Proc. IEEE Ultrasonics Symp., 1992, pp. 613-618
3. YAMADA, K., TASEI, K., and NAKAMURA, K.: 'Weighted conical transducer for generation of Bessel beam ultrasound', J. Acoust. Soc. Jpn., 1992, 48, pp. 871-875
4. KOIKE, T., YAMADA, K., and NAKAMURA, K.: 'Theoretical study on discretely weighted conical transducers'. Jpn. J. Appl. Phys., 1995, 34, (58), pp. 2610-2612 (Pt. 1)
5. KOIKE, T., YAMADA, K., and NAKAMURA, K.: 'Characteristics of a discretely weighted conical transducer for generation of limited diffraction beams', Jpn. J. Appl. Phys., 1996, 35, (58), pp. 3184-3186 (Pt.1)