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Innovative UWB phase shifters using groove gap-waveguide technology inspired by metasurfaces for beamforming networks operating at 100 GHz
Published 2025“…The metasurface features a "bed-of-nails" structure, where metal pins are connected to a bottom layer and spaced <λ/4 from a top plate. …”
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Conference or Workshop Item -
263
Untitled (Publicity notice board)
“…Black and white photograph showing three posters pinned to a wall under the sign 'Publicity'. Photographer unknown.…”
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Photograph -
264
Metamaterial based ultra-wideband antennas for portable wireless applications
Published 2017“…Various approaches have been reported to reduce the physical size of RF antennas including using high permittivity substrates, shorting pins, reactive components, and more recently, metamaterials (MTM) based on composite right-/left-handed transmission-lines (CRLH-TLs). …”
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Book Section -
265
Maghemite filled poly-vinyl alcohol nanofibres for tissue engineering scaffold.
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Thesis -
266
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267
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269
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270
List of names and addresses
“…Manuscript list of names and addresses, on lined paper. 2 pages.…”
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Ephemera -
271
Minutes of Wicklow Association annual general meeting, 29 January 1989
Published 1989“…Minutes of an annual general meeting of the Wicklow Association (WA), held on 29 January 1989. Manuscript on lined notebook paper.…”
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Minutes -
272
Study on improvement of the performance parameters of a novel 0.41–0.47 THz on‑chip antenna based on metasurface concept realized on 50 μm GaAs‑layer
Published 2020“…The slot-lines are connected to each other with a slit. A waveguide port is used to excite the array via slot-lines that couple the electromagnetic energy to the patches. …”
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Article -
273
Letter from Patrick D. Carey to T. J. Hikey (Jnr)
Published 1938“…Carey, about the principal lines on which the movement is based…”
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Correspondence -
274
Letter from P. O'Sullivan
Published 1939“…Manuscript letter on a piece of lined paper, dated 2 July 1939, addressee not specified (probably the Organising Secretary), from P O'Sullivan, sending payment for APL membership…”
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Correspondence -
275
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276
Effect of small quantities of oxygen in a neon glow discharge
Published 2014“…Examples of all these effects for copper ionic lines in neon–oxygen mixtures will be presented. …”
Article -
277
The glacial geomorphology of part of the Western Grampians of Scotland, with especial reference to the limits of the Loch Lomond Advance
Published 1984“…The reconstructed form of the main ice mass indicates that it covered an area in excess of 2,000km (to the power of 2), that its total volume was ca. 460km (to the power of 3), and that maximum ice-shed altitudes of ca 700 - 750m O.D. were attained in the Glen Nevis-Rannoch Moor-Glen-Lyon areas. Equilibrium rim lines calculated for the main ice mass and for 17 independent corrie, valley and plateau glaciers indicate that firn lines rose from ca. 400m O.D. in the SW to +900m O.D. in the NE part of the study area. …”
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Thesis -
278
A Compact UWB-BPF based on Microstrip-to-CPW transition with multiple Transmission zeros
Published 2018“…Later, the back-to-back arrangement of microstrip lines is optimized to generate a tightly coupled broadband response. …”
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Article -
279
High performance on-chip array antenna for terahertz integrated circuits
Published 2019“…To excite the structure, a novel feeding mechanism is used comprising open-circuited microstrip lines that couple electromagnetic energy from the bottom layers to the antennas on the top-layer through slot-lines in the middle ground-plane layer. …”
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Conference or Workshop Item -
280
Social inclusion and the role of psychologists
Published 2020“…Instead, discussion is limited to two recent and inter-related lines of theory and research with demonstrated potential to inform policy and practice. …”
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Book Section