Zobrazeno 1 - 10
of 27
pro vyhledávání: '"Navid P. Gandji"'
Publikováno v:
IEEE Photonics Journal, Vol 11, Iss 3, Pp 1-7 (2019)
Metasurfaces composed of cylindrical dielectric resonators, responding either in optical or microwave ranges, are investigated with the goal of clarifying common features of their electromagnetic responses and their transformations at variations of a
Externí odkaz:
https://doaj.org/article/4712b220a19d44a1a786cc3690d94e62
Autor:
Matthew T. Waks, Qing Yang, Riccardo Lattanzi, Andrea Grant, M. Bei Zhang, Jerahmie Radder, Gregor Adriany, Steve Jungst, Lance Dela Barre, Nader Tavaf, Kamil Ugurbil, Navid P. Gandji, Russell L. Lagore
Publikováno v:
2021 International Conference on Electromagnetics in Advanced Applications (ICEAA).
Electromagnetic simulations of ultra-high field receive coil arrays featuring 32, 64, and 128 channels are currently being performed to support of head imaging coil development for 7 and 10.5 Tesla MRI systems. Ultra-High field is a powerful tool for
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5807cff95d97dd035e3d45ddc8871545
https://doi.org/10.1109/iceaa52647.2021.9539782
https://doi.org/10.1109/iceaa52647.2021.9539782
Autor:
Navid P. Gandji, George Semouchkin, Gangchea Lee, Elena Semouchkina, Thomas Neuberger, Michael T. Lanagan
Publikováno v:
IEEE Transactions on Microwave Theory and Techniques. 67:443-453
Radio frequency (RF) probes for ultrahigh-field magnetic resonance imaging (MRI) systems were developed from structures inspired by microstrip patch antennas. The patch structures provide an alternative to conventional surface coils. We show that the
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f47e8dfcb57c01886fcd76a74e6c732d
https://doi.org/10.1109/tmtt.2018.2874266
https://doi.org/10.1109/tmtt.2018.2874266
Autor:
Sebastian Rupprecht, Maryam Sarkarat, Xiao Hong Zhu, Wei Chen, Navid P. Gandji, Hannes M. Wiesner, Qing X. Yang, Byeong Yeul Lee, Michael T. Lanagan
Publikováno v:
IEEE Trans Med Imaging
This work introduces an innovative magnetic resonance (MR) imaging technology to incorporate radiofrequency (RF) coil(s) with permittivity-tunable ultrahigh dielectric constant (tuHDC) ceramics by controlling the ceramic temperature to optimize and s
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1602658042478308028ab15d0c7c1708
https://pubmed.ncbi.nlm.nih.gov/32310763
https://pubmed.ncbi.nlm.nih.gov/32310763
Publikováno v:
Microwave and Optical Technology Letters. 60:2870-2875
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7b61b3def9da431c9a501dbff062e4e5
https://doi.org/10.1002/mop.31432
https://doi.org/10.1002/mop.31432
Publikováno v:
Optik. 131:21-28
The optical electric field enhancement in the normal direction is noticed for Plasmonic and Fano mode at Nano antenna, therefore, we have modeled four various designs for Sub-wavelength Plasmonic and Nano-antenna with modified Split Ring Resonator (S
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::35670dd945922a39ff7f808415efc488
https://doi.org/10.1016/j.ijleo.2016.11.066
https://doi.org/10.1016/j.ijleo.2016.11.066
Autor:
Navid P. Gandji, Sebastian Rupprecht, Matthew T. Lanagan, Qing X. Yang, Christopher T. Sica, Michael T. Lanagan, Ryan J. Hou
Publikováno v:
Magn Reson Med
Purpose To present a 3T brain imaging study using a conformal prototype helmet constructed with an ultra-high dielectric constant (uHDC; er ~ 1000) materials that can be inserted into standard receive head-coils. Methods A helmet conformal to a stand
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::db3f9d5760720b5c7f0cb7102f753a2c
https://europepmc.org/articles/PMC6879784/
https://europepmc.org/articles/PMC6879784/
Publikováno v:
Microwave and Optical Technology Letters. 58:1629-1634
In this article, an ultra wideband ring antenna with a fractal formation for notch application is presented. The antenna was printed on FR-4 substrate, which was a low cost one with the relative permittivity of 4.4 and thickness of 1.6 mm. The total
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3a0dcdba26ba2f44ddfdeeb88607e4fb
https://doi.org/10.1002/mop.29872
https://doi.org/10.1002/mop.29872
Publikováno v:
2018 IEEE Research and Applications of Photonics In Defense Conference (RAPID).
Periodic arrays of dielectric nano-disk resonators are investigated to clarify the nature of their electromagnetic responses, in particular, the relation of light transmission to Kerker's conditions at overlapping dipolar resonances. It is concluded
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d46fed3ff9b1678da041cafc0d6294af
https://doi.org/10.1109/rapid.2018.8509022
https://doi.org/10.1109/rapid.2018.8509022