Results 31 to 40 of about 329,610 (317)
On-chip photoacoustic transducer based on monolithic integration of piezoelectric micromachined ultrasonic transducers and metasurface lenses [PDF]
, 2023 An on-chip photoacoustic transducer is proposed by monolithically integrating piezoelectric micromachined ultrasonic transducers (PMUTs) on metasurface lenses for applications such as single-cell metabolic photoacoustic microscopy (SCM-PAM)1 .
Li, Xiaohang +9 more
core +1 more source
Microsystems & Nanoengineering, 2022 A new electrochemical angular microaccelerometer with integrated sensitive electrodes perpendicular to flow channels was developed in this paper. Based on a liquid inertial mass, an incoming angular acceleration was translated into varied concentrations ...
Bowen Liu +8 more
doaj +1 more source
A theoretical analysis of a piezoelectric ultrasound device with an active matching layer [PDF]
, 2007 This paper investigates the use of magnetically active materials in the matching layer of a piezoelectric transducer. This then allows the performance of the device to be dynamically altered by applying an external field.
Mulholland, A. +8 more
core +1 more source
Sensors, 2021 Ultrasonic transducers are often used in the nuclear industry as sensors to monitor the health and process status of systems or the components. Some of the after-effects of the Fukushima Daiichi earthquake could have been eased if sensors had been in ...
Brian T. Reinhardt, Bernhard R. Tittmann
doaj +1 more source
Harmonic analysis of lossy piezoelectric composite transducers using the plane wave expansion method [PDF]
, 2008 Periodic composite ultrasonic transducers oer many advantages but the periodic pillar architecture can give rise to unwanted modes of vibration which interfere with the piston like motion of the fundamental thickness mode.
Hayward, G. +9 more
core +1 more source
Nanomaterials, 2022 In response to the exhaustion of traditional energy, green and efficient energy conversion has attracted growing attention. The IVA group elements, especially carbon, are widely distributed and stable in the earth’s crust, and have received a lot of ...
Dan Li +6 more
doaj +1 more source
Sensors, 2021 A linear mechanical oscillator is non-linearly coupled with an electromagnet and its driving circuit through a magnetic field. The resulting non-linear dynamics are investigated using magnetic circuit approximations without major loss of accuracy and in ...
Georgios Tsakyridis, Nikolaos I. Xiros
doaj +1 more source
A Finite Element Approach to Modelling Fractal Ultrasonic Transducers [PDF]
, 2014 Piezoelectric ultrasonic transducers usually employ composite structures to improve their transmission and reception sensitivities. The geometry of the composite is regular with one dominant length scale and, since these are resonant devices, this ...
Algehyne, Ebrahem A. +3 more
core +1 more source
Piezoelectric ceramic materials on transducer technology for energy harvesting: A review
Frontiers in Energy Research, 2022 Recently, energy harvesting through the means of piezoelectric transducer technology has increasingly attracted the attention of engineers and scientists in producing/generating electricity for human consumption.
V. E. Ogbonna +2 more
doaj +1 more source
Resistance-temperature convention calculation in EPA temperature transducer [PDF]
, 2010 In the research of EPA temperature transducer, Platinum temperature-resistance is used as forward transducer input. Because standard format of R - t is a quartic equation on t when temperature is between -200 and 0 centigrade, a suitable method must be ...
Zhao W(赵伟) +3 more
core +1 more source