Manipulation of focal patterns in acoustic Soret type zone plate lens by using reference radius/phase effect

Daniel Tarrazó-Serrano, Constanza Rubio, Oleg V. Minin, Pilar Candelas, Igor V. Minin

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

The manipulation of focal patterns of acoustic underwater Soret Zone Plate lens in far fields, such as manipulation (optimization) of Sidelobe Level and the design of long depth of focus by selecting the simple free parameter called reference radius (phase) has been demonstrated.Two effects have been studied by means of numerical simulations. Regarding the first effect, simulations demonstrate diffraction limited focal spot (0.47 wavelength) and 3 dB reduction of the first Side Lobe Level using Soret ZP with an optimal reference radius and without causing neither main lobe broadening or gain reduction. In the second effect, by using numerical simulations an increasing of depth of focus, more than 2 times, in comparison with classical Soret ZP with high numerical aperture (F/D = 2.5), was observed.

Original languageEnglish
Pages (from-to)237-241
Number of pages5
JournalUltrasonics
Volume91
DOIs
Publication statusPublished - 1 Jan 2019

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manipulators
lenses
lobes
radii
acoustics
underwater acoustics
simulation
sidelobes
numerical aperture
far fields
optimization
diffraction
wavelengths

Keywords

  • Reference radius
  • Side lobel level
  • Soret Zone Plate
  • Ultrasonic lenses

ASJC Scopus subject areas

  • Acoustics and Ultrasonics

Cite this

Manipulation of focal patterns in acoustic Soret type zone plate lens by using reference radius/phase effect. / Tarrazó-Serrano, Daniel; Rubio, Constanza; Minin, Oleg V.; Candelas, Pilar; Minin, Igor V.

In: Ultrasonics, Vol. 91, 01.01.2019, p. 237-241.

Research output: Contribution to journalArticle

Tarrazó-Serrano, Daniel ; Rubio, Constanza ; Minin, Oleg V. ; Candelas, Pilar ; Minin, Igor V. / Manipulation of focal patterns in acoustic Soret type zone plate lens by using reference radius/phase effect. In: Ultrasonics. 2019 ; Vol. 91. pp. 237-241.
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