Research Topics
| Omer OralkanSummaryAffiliation: Stanford University Country: USA Publications
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Detail Information
Publications
Capacitive micromachined ultrasonic transducers: next-generation arrays for acoustic imaging?Omer Oralkan
Edward L Ginzton Laboratory, and Center for Integrated Systems, Stanford University, Stanford, CA 94305 4070, USA
IEEE Trans Ultrason Ferroelectr Freq Control 49:1596-610. 2002..A tail also was observed in the point spread function (PSF) in the axial direction, indicating the existence of crosstalk. The relative amplitude of this tail with respect to the mainlobe was less than -20 dB...- Finite element modeling and experimental characterization of crosstalk in 1-D CMUT arraysBaris Bayram
Edward L Ginzton Laboratory, Stanford University, CA 94305, USA
IEEE Trans Ultrason Ferroelectr Freq Control 54:418-30. 2007..Lamb wave modes, A0 and S0, were also observed with crosstalk levels of -40 dB and -65 dB, respectively. We observed excellent agreement between the finite element and the experimental results... - Volumetric ultrasound imaging using 2-D CMUT arraysOmer Oralkan
Edward L Ginzton Laboratory, Stanford University, Stanford, CA 94305 4088, USA
IEEE Trans Ultrason Ferroelectr Freq Control 50:1581-94. 2003.... - Integration of 2D CMUT arrays with front-end electronics for volumetric ultrasound imagingIra O Wygant
Edward L Ginzton Laboratory, Stanford University, Stanford, CA 94305, USA
IEEE Trans Ultrason Ferroelectr Freq Control 55:327-42. 2008.... - Dynamic analysis of capacitive micromachined ultrasonic transducersBaris Bayram
Edward L Ginzton Laboratory, Stanford University, Stanford, CA 94305 4088, USA
IEEE Trans Ultrason Ferroelectr Freq Control 52:2270-5. 2005..Thus, the model is useful for designing cMUTs that operate in regimes where membranes make contact with the substrate... - Volumetric real-time imaging using a CMUT ring arrayJung Woo Choe
Edward L Ginzton Laboratory, Stanford University, Stanford, CA, USA
IEEE Trans Ultrason Ferroelectr Freq Control 59:1201-11. 2012.... - An integrated circuit with transmit beamforming flip-chip bonded to a 2-D CMUT array for 3-D ultrasound imagingIra O Wygant
Edward L Ginzton Lab, Stanford Univ, Stanford, CA, USA
IEEE Trans Ultrason Ferroelectr Freq Control 56:2145-56. 2009..We present 2-D and 3-D images of a wire phantom and 2-D orthogonal cross-sectional images (Bscans) of a latex heart phantom... - Coherent array imaging using phased subarrays. Part II: simulations and experimental resultsJeremy A Johnson
Stanford University, Edward L Ginzton Laboratory, Stanford, CA, USA
IEEE Trans Ultrason Ferroelectr Freq Control 52:51-64. 2005..The simulated and experimental test results presented in this paper validate theoretical expectations and illustrate the flexibility of PSA imaging as a way to exchange SNR and frame rate for simplified front-end hardware... - Forward-looking intracardiac ultrasound imaging using a 1-D CMUT array integrated with custom front-end electronicsAmin Nikoozadeh
Edward L Ginzton Laboratory, Stanford University, Stanford, CA 94305, USA
IEEE Trans Ultrason Ferroelectr Freq Control 55:2651-60. 2008..2 MHz with a 96% fractional bandwidth. Finally, we demonstrate the imaging capability of the integrated device on commercial phantoms and on a beating ex vivo rabbit heart (Langendorff model) using a commercial ultrasound imaging system... - Wafer-bonded 2-D CMUT arrays incorporating through-wafer trench-isolated interconnects with a supporting frameXuefeng Zhuang
Edward L Ginzton Laboratory, Stanford University, Stanford, CA, USA
IEEE Trans Ultrason Ferroelectr Freq Control 56:182-92. 2009..This study shows that through-wafer trench-isolation with a supporting frame is a viable solution for providing electrical interconnects to CMUT elements and that 2-D arrays fabricated using waferbonding deliver good performance... - Three-dimensional photoacoustic imaging using a two-dimensional CMUT arraySrikant Vaithilingam
Edward L Ginzton Laboratory, Stanford University, Stanford, CA, USA
IEEE Trans Ultrason Ferroelectr Freq Control 56:2411-9. 2009..A CMUT based photoacoustic system is proposed as a viable alternative to a piezoelectric transducer based photoacoustic systems... - Capacitive micromachined ultrasonic transducers: fabrication technologyArif Sanli Ergun
Edward L Ginzton Laboratory, Stanford University, Stanford, CA 94305 4088, USA
IEEE Trans Ultrason Ferroelectr Freq Control 52:2242-58. 2005..Because the number of steps and consequent process time were reduced (from six-mask process to four-mask process), turn-around time was improved significantly... - Deep tissue photoacoustic imaging using a miniaturized 2-D capacitive micromachined ultrasonic transducer arraySri Rajasekhar Kothapalli
Department of Radiology and Bio X Program, Stanford University, Palo Alto, CA 94035, USA
IEEE Trans Biomed Eng 59:1199-204. 2012..Results demonstrate that CMUTs with integrated front-end amplifier circuits are an attractive choice for achieving relatively high depth sensitivity for PAI... - 3-D ultrasound imaging using a forward-looking CMUT ring array for intravascular/intracardiac applicationsDavid T Yeh
Edward L Ginzton Laboratory, Stanford University, Stanford, CA, USA
IEEE Trans Ultrason Ferroelectr Freq Control 53:1202-11. 2006..Rendered three-dimensional (3-D) images of a Palmaz-Schatz stent also are shown, demonstrating that the imaging quality is sufficient for practical applications... - Miniaturized ultrasound imaging probes enabled by CMUT arrays with integrated frontend electronic circuitsB T Khuri-Yakub
E L Ginzton Laboratory, Stanford University, CA 94305, USA
Conf Proc IEEE Eng Med Biol Soc 2010:5987-90. 2010..This paper presents examples of miniaturized CMUT probes utilizing 1D, 2D, and ring arrays with integrated electronics...