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- 1Medicine and Dentistry, Faculty of/Journal Articles (Medicine and Dentistry)
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Microbead-assisted high resolution microwave planar ring resonator for organic-vapor sensing
Download2015-01-01
Zarifi, Mohammad H., Fayaz, Mohammadreza, Goldthorp, Jordan, Abdolrazzaghi, Mohammad, Hashisho, Zaher, Daneshmand, Mojgan
A microbead-assisted planar microwave resonator for organic vaporsensing applications is presented. The core of this sensor is a planarmicrostrip split-ring resonator, integrated with an active feedback loop to enhance the initial quality factor from 200 to ∼1 M at an operational resonance...
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Positive bias and vacuum chamber wall effect on total electron yield measurement: A re-consideration of the sample current method
Download2017-01-01
Ye, Ming, Wang, Dan, Li, Yun, He, Yong-ning, Cui, Wan-zhao, Daneshmand, Mojgan
The measurement of the total secondary electron yield (TEY, δ) is of fundamental importance in areas such as accelerator, spacecraft, detector, and plasma system. Most of the running TEY facilities in the world are based on the kind of bias strategy. The applied bias can assist in the collection...
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Study of multipactor suppression of microwave components using perforated waveguide technology for space applications
Download2017-01-01
Ye, Ming, Li, Yun, He, Yongning, Daneshmand, Mojgan
With the development of space technology, microwave components with increased power handling capability and reduced weight have been urgently required. In this work, the perforated waveguide technology is proposed to suppress the multipactor effect of high power microwavecomponents. Meanwhile,...
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Toward Automated Manufacturing of RF Coils: Microstrip Resonators for 4.7 T Using 3D-Printed Dielectrics and Conductors
Download2019-01-14
Javidmehr, Saeed, Maunder, Adam M., Daneshmand, Mojgan, De Zanche, Nicola
This is a post-peer-review, pre-copyedit version of an article published in Applied Magnetic Resonance. The final authenticated version is available online at: http://dx.doi.org/10.1007/s00723-018-1108-9 Microstrip transmission line (MTL) resonators are widely used as radio-frequency (RF)...
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2016-01-01
Zarifi, Mohammad H., Daneshmand, Mojgan
A highly sensitive, microwave-coupled ring resonator with a widedynamic range is studied for use in sensing applications. The resonator'sstructure has two resonant rings and, consequently, two resonantfrequencies, operating at 2.3 and 2.45 GHz. Inductive and capacitive coupling mechanisms are...