Manipulation of focal patterns in acoustic Soret type zone plate lens by using reference radius/phase effect; Ultrasonics; Vol. 91
| Parent link: | Ultrasonics Vol. 91.— 2019.— [P. 237-241] |
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| Yhteisötekijä: | |
| Muut tekijät: | , , , , |
| Yhteenveto: | Title screen 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 Режим доступа: по договору с организацией-держателем ресурса |
| Kieli: | englanti |
| Julkaistu: |
2019
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| Aiheet: | |
| Linkit: | https://doi.org/10.1016/j.ultras.2018.07.022 |
| Aineistotyyppi: | Elektroninen Kirjan osa |
| KOHA link: | https://koha.lib.tpu.ru/cgi-bin/koha/opac-detail.pl?biblionumber=659093 |
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| 200 | 1 | |a Manipulation of focal patterns in acoustic Soret type zone plate lens by using reference radius/phase effect |f D. Tarrazo-Serrano [et al.] | |
| 203 | |a Text |c electronic | ||
| 300 | |a Title screen | ||
| 320 | |a [References: p. 240-241 (36 tit.)] | ||
| 330 | |a 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 | ||
| 333 | |a Режим доступа: по договору с организацией-держателем ресурса | ||
| 461 | 1 | |t Ultrasonics | |
| 463 | 1 | |t Vol. 91 |v [P. 237-241] |d 2019 | |
| 610 | 1 | |a электронный ресурс | |
| 610 | 1 | |a труды учёных ТПУ | |
| 610 | 1 | |a ultrasonic lenses | |
| 610 | 1 | |a soret zone plate | |
| 610 | 1 | |a side lobel level | |
| 610 | 1 | |a reference radius | |
| 610 | 1 | |a ультразвуковые линзы | |
| 610 | 1 | |a боковые лепестки | |
| 610 | 1 | |a уровни | |
| 701 | 1 | |a Tarrazo-Serrano |b D. |g Daniel | |
| 701 | 1 | |a Rubio |b C. |g Constanza | |
| 701 | 1 | |a Minin |b O. V. |c physicist |c professor of Tomsk Polytechnic University, Doctor of technical sciences |f 1960- |g Oleg Vladilenovich |3 (RuTPU)RU\TPU\pers\44941 | |
| 701 | 1 | |a Candelas |b P/ |g Pilar | |
| 701 | 1 | |a Minin |b I. V. |c physicist |c Senior researcherof Tomsk Polytechnic University, Doctor of technical sciences |f 1960- |g Igor Vladilenovich |3 (RuTPU)RU\TPU\pers\37571 | |
| 712 | 0 | 2 | |a Национальный исследовательский Томский политехнический университет |b Инженерная школа неразрушающего контроля и безопасности |b Отделение электронной инженерии |3 (RuTPU)RU\TPU\col\23507 |
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