Browsing Electrical & Electronics Engineering by Author "Bozkurt, A."
Now showing items 1-6 of 6
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Equivalent circuit for capacitive micromachined ultrasonic transducers to predict anti-resonances
Kemal, Remzi Erkan; Bozkurt, A.; Yaralıoğlu, Göksen Göksenin (Springer Nature, 2020-12)Equivalent circuit models have been long used to evaluate the dynamics of the capacitive micromachined ultrasonic transducer (CMUT). An important parameter in the characterization of a CMUT is the anti-resonance frequency, ... -
Mutual radiation impedance of circular CMUTs on a cylinder
Zangabad, R. P.; Bozkurt, A.; Yaralıoğlu, Göksen Göksenin; Bosch, J. G.; Soest, G. van; Steen, A. F. W. van der (IEEE, 2016)In ultrasound imaging, cross coupling of transducer elements through the medium has significant effect on the frequency response, thus affecting the quality of the ultrasound image. In Side-Looking Intravascular Ultrasound ... -
Portable low cost ultrasound imaging system
Sobhani, Mohammad Rahim; Ozum, H. E.; Yaralıoğlu, Göksen Göksenin; Ergun, A. S.; Bozkurt, A. (IEEE, 2016)The applications of ultrasound in medicine have been increasing in the last decade either in diagnostics or in treatments. Ultrasound is routinely used in clinical examinations, such as pregnancy exams. On the other hand, ... -
Receive-noise analysis of capacitive micromachined ultrasonic transducers
Bozkurt, A.; Yaralıoğlu, Göksen Göksenin (IEEE, 2016)This paper presents an analysis of thermal (Johnson) noise received from the radiation medium by otherwise noiseless capacitive micromachined ultrasonic transducer (CMUT) membranes operating in their fundamental resonance ... -
Signal to noise ratio optimization for a CMUT based medical ultrasound imaging system
Zangabad, R. P.; Bozkurt, A.; Yaralıoğlu, Göksen Göksenin (IEEE, 2015)CMUTs offers key performance benefits compared to their piezoelectric counterparts. However, CMUTs are not widely adopted in commercial ultrasound imaging systems due to low signal to noise ratio (SNR) in the obtained ... -
Vertical cavity capacitive transducer
Yaralıoğlu, Göksen Göksenin; Ergun, A. S.; Bozkurt, A. (American Institute of Physics Inc., 2021-04-01)The capacitive micromachined ultrasonic transducer (CMUT) has inherent advantages, such as larger bandwidth and monolithic integration capability with electronics, when compared to the piezoelectric transducer. The most ...
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