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Articles 1 - 3 of 3
Full-Text Articles in Engineering
Hybrid Plasmonic Nanoantennas: Fabrication, Characterization, And Application, Shengjie Zhai
Hybrid Plasmonic Nanoantennas: Fabrication, Characterization, And Application, Shengjie Zhai
UNLV Theses, Dissertations, Professional Papers, and Capstones
As optical counterpart of microwave antennas, plasmonic nanoantennas are important nanoscale devices for converting propagating optical radiation into confined/enhanced electromagnetic fields. Presently, nanoantennas, with a typical size of 200-500 nm, have found their applications in bio-sensing, bio-imaging, energy harvesting, and disease cure and prevention. With the device feature size of next generation IC goes down to 22 nm or smaller, and biological/chemical sensing reaches the Gene’s level, the sizes of the corresponding nanoantennas have to be scaled down to sub-100nm level. In the literature, these sub-100nm nanoantennas are referred as deep subwavelength nanoantennas as size of such miniaturized nanoantennas is …
Novel Production Techniques Of Radioisotopes Using Electron Accelerators, Daniel Robert Lowe
Novel Production Techniques Of Radioisotopes Using Electron Accelerators, Daniel Robert Lowe
UNLV Theses, Dissertations, Professional Papers, and Capstones
Non-traditional radioisotope production techniques using a compact, high power linear electron accelerator have been demonstrated and characterized for the production of 18F, 47Sc, 147Pm, and 99mTc from a variety of target candidates. These isotopes are used extensively in the medical field as diagnostic and therapy radioisotopes, as well as the space industry as RTG's. Primary focus was placed on 99mTc as it constitutes approximately 80% of all diagnostic procedures in the medical community that use radioactive tracers. It was also the prime focus due to recent events at the Chalk River nuclear reactor, which caused global shortages of this isotope …
Basic Research On The Characteristics Of A Constricted Pulsed Glow Discharge, Sean Daniel Andersen
Basic Research On The Characteristics Of A Constricted Pulsed Glow Discharge, Sean Daniel Andersen
UNLV Theses, Dissertations, Professional Papers, and Capstones
In certain plasma discharge experiments, it has been observed that under specific conditions a plasma glow discharge column tends to seek the central location of the discharge electrodes away from the electrode edges and chamber walls. Further, the column appears to have the properties of a stabilized equilibrium plasma pinch in a glow (non-arc-like) state. This is unusual since, normally field enhancements occur on edges resulting in arc-like discharge breakdown. Also, the column of plasma that protrudes from the anode emits highly intense, non-uniform light that is uncharacteristically bright for a glow discharge.
The main purpose of this thesis is …