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231226s2022 xx |||||o 00| ||eng c |
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|a 10.1109/TUFFC.2022.3172566
|2 doi
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|a pubmed24n1528.xml
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|a (DE-627)NLM340511621
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|a (NLM)35522635
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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| 100 |
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|a Sanders, Jean L
|e verfasserin
|4 aut
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|a A Handheld Imaging Probe for Acoustic Angiography With an Ultrawideband Capacitive Micromachined Ultrasonic Transducer (CMUT) Array
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|c 2022
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
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|2 rdamedia
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|a ƒa Online-Ressource
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|2 rdacarrier
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|a Date Completed 04.07.2022
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|a Date Revised 08.09.2024
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a This article presents an imaging probe with a 256-element ultrawideband (UWB) 1-D capacitive micromachined ultrasonic transducer (CMUT) array designed for acoustic angiography (AA). This array was fabricated on a borosilicate glass wafer with a reduced bottom electrode and an additional central plate mass to achieve the broad bandwidth. A custom 256-channel handheld probe was designed and implemented with integrated low-noise amplifiers and supporting power circuitry. This probe was used to characterize the UWB CMUT, which has a functional 3-dB frequency band from 3.5 to 23.5 MHz. A mechanical index (MI) of 0.33 was achieved at 3.5 MHz at a depth of 11 mm. These promising measurements are then combined to demonstrate AA. The use of alternate amplitude modulation (aAM) combined with a frequency analysis of the measured transmit signal demonstrates the suitability of the UWB CMUT for AA. This is achieved by measuring only a low level of unwanted high-frequency harmonics in both the transmit signal and the reconstructed image in the areas other than the contrast bubbles
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|a Journal Article
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|a Research Support, U.S. Gov't, Non-P.H.S.
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|a Research Support, N.I.H., Extramural
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|a Biliroglu, Ali Onder
|e verfasserin
|4 aut
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|a Newsome, Isabel G
|e verfasserin
|4 aut
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|a Adelegan, Oluwafemi J
|e verfasserin
|4 aut
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|a Yamaner, Feysel Yalcin
|e verfasserin
|4 aut
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|a Dayton, Paul A
|e verfasserin
|4 aut
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|a Oralkan, Omer
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t IEEE transactions on ultrasonics, ferroelectrics, and frequency control
|d 1986
|g 69(2022), 7 vom: 27. Juli, Seite 2318-2330
|w (DE-627)NLM098181017
|x 1525-8955
|7 nnns
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| 773 |
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|g volume:69
|g year:2022
|g number:7
|g day:27
|g month:07
|g pages:2318-2330
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|u http://dx.doi.org/10.1109/TUFFC.2022.3172566
|3 Volltext
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