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Toplam kayıt 15, listelenen: 1-10
All-polymer ultrasonic transducer design for an intravascular ultrasonography application
(TUBITAK SCIENTIFIC & TECHNICAL RESEARCH COUNCIL TURKEY, ATATURK BULVARI NO 221, KAVAKLIDERE, ANKARA, 00000, TURKEY, 2019)
Intravascular ultrasonography (IVUS), a medical imaging modality, is used to obtain cross-sectional views of blood vessels from inside. In IVUS, transducers are brought to the proximity of the imaging targets so that ...
Linear variable optical attenuators with shaped-finger comb-drive actuators
(OPTICAL SOC AMER, 2010 MASSACHUSETTS AVE NW, WASHINGTON, DC 20036 USA, 2020)
A design method is proposed for variable optical attenuators (VOAs), aiming at linear attenuation-voltage characteristics, and verified by finite element analysis. Devices of interest are planar VOAs based on microelectr ...
Absorption enhancement by semi-cylindrical-shell-shaped structures for an organic solar cell application
(OPTICAL SOC AMER, 2010 MASSACHUSETTS AVE NW, WASHINGTON, DC 20036 USA, 2020)
Organic solar cells are attractive for various applications with their flexibility and low-cost manufacturability. In order to increase their attractiveness in practice, it is essential to improve their energy conversion ...
Clinical probe utilizing surface enhanced Raman scattering
(A V S AMER INST PHYSICS, STE 1 NO 1, 2 HUNTINGTON QUADRANGLE, MELVILLE, NY 11747-4502 USA, 2014)
Conventional Raman scattering is a well-known technique for detecting and identifying complex molecular samples. In surface enhanced Raman scattering, a nanorough metallic surface close to the sample enormously enhances ...
Analytical design of MEMS variable capacitors based on shaped-finger comb-drives
(SPRINGER HEIDELBERG, 2022)
A variable capacitor is one of the widely used components in radio frequency (RF) circuits. Variable capacitors can benefit from the microelectromechanical systems (MEMS) technology, to be equipped with attractive ...
AlN Piezoelectric Quad-Actuators for 2D Optical Micro Scanning
(TAYLOR & FRANCIS LTD, 2022)
Piezoelectric actuation has been one of the frequent choices for
optical micro scanning. In most of the cases, lead zirconate titanate
(PZT) has been used as the piezoelectric material. However, PZT has
a potential issue ...
Shell-shaped active layers for omnidirectional organic photovoltaic cells
(SPIE-SOC PHOTO-OPTICAL INSTRUMENTATION ENGINEERS, 2022)
For the employment of organic photovoltaic cells in wearable electronic systems, improvements in energy conversion efficiency and omnidirectionality (angular coverage) are highly appreciated. This study aims at those ...
RF MEMS variable attenuators with improved dB-linearity
(SPRINGER HEIDELBERG, 2023)
A variable attenuator is one of the essential components in radio frequency (RF) systems, such as automatic gain control amplifiers and full-duplex systems. Variable attenuators based on microelectromechanical systems ...
Flexible and Ecofriendly Keypad Based on Paper and Pencil
(IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC, 2023)
Pencil-on-paper electronics has gained growing interests as cost-effective, ecofriendly, flexible, and light-weight
devices for various applications. In this letter, a flexible keypad employing pencil-on-paper capacitive ...
Electret vibration energy harvesters with symmetrically configured curved-beam hinges
(SPRINGER, 2024)
For vibration energy harvesters, broadband power spectral characteristics are often desirable. One way of achieving
broadband spectrum is to employ curved-beam hinges, utilizing their nonlinear spring characteristics. In ...