Search Results - "Giovenale, E."

Optimization of TE11/TE04 mode converters for the cold test of a 250 GHz CARM source by Ravera, G.L., Ceccuzzi, S., Dattoli, G., Di Palma, E., Doria, A., Gallerano, G.P., Giovenale, E., Mirizzi, F., Schettini, G., Spassovsky, I., Tuccillo, A.A.

“…•New project at ENEA of a 250 GHz, 0.5 MW Cyclotron Auto Resonance Maser (CARM).•Design of a feasible TE11/TE04 mode conversion for the RF Cold Test of…”
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High power THz sources and applications at ENEA-Frascati by Gallerano, G. P., Doria, A., Giovenale, E., Spassovsky, I.

“…ENEA has a long term expertise in the development of powerful short-pulse mm-wave and THz radiation sources driven by free electrons. Various electron-wave…”
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Terahertz and mm-wave applications at ENEA-Frascati by Gallerano, G. P., Ceccuzzi, S., Doria, A., Giovenale, E., Ravera, G. L., Zerbini, M., Galatola-Teka, G.

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Vis-NIR Hyperspectral and Terahertz Imaging Investigations on a Fresco Painting on “Tavella” by Alessandro Gherardini by Doria, A., Gallerano, G. P., Giovenale, E., Casini, A., Cucci, C., Picollo, M., Poggesi, M., Stefani, L., Fukunaga, K., Tamassia, M.

“…In this paper, we report on Vis-IR hyperspectral and terahertz imaging investigations carried out on a fresco painting on tavella depicting St. John Baptist ,…”
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Enhanced coherent emission of terahertz radiation by energy-phase correlation in a bunched electron beam by DORIA, A, GALLERANO, G. P, GIOVENALE, E, MESSINA, G, SPASSOVSKY, I

“…We report the first observation of enhanced coherent emission of terahertz radiation in a compact free electron laser. A radio-frequency (rf) modulated…”
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CYTOGENETIC OBSERVATIONS IN HUMAN PERIPHERAL BLOOD LEUKOCYTES FOLLOWING IN VITRO EXPOSURE TO THz RADIATION: A PILOT STUDY by Zeni, O, Gallerano, G P, Perrotta, A, Romanò, M, Sannino, A, Sarti, M, D’Arienzo, M, Doria, A, Giovenale, E, Lai, A, Messina, G, Scarfì, M R

“…Emerging technologies are considering the possible use of Terahertz radiation in different fields ranging from telecommunications to biology and biomedicine…”
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Compact, High-Power Electron Beam Based Terahertz Sources by Biedron, Sandra G., Doria, Andrea, Giovenale, Emilio, Messina, Giovanni, Spassovsky, Ivan Panov, Lewellen, John W., Milton, Stephen Val, Gopalsami, Nachappa, Schneider, John F., Skubal, Laura, Li, Yuelin, Virgo, Mathew, Gallerano, Gian Piero

“…Although terahertz (THz) radiation was first observed about 100 years ago, this portion of the electromagnetic spectrum at the boundary between the microwaves…”
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Determination of longitudinal bunch shape by means of coherent Smith-Purcell radiation by Doucas, G., Kimmitt, M. F., Doria, A., Gallerano, G. P., Giovenale, E., Messina, G., Andrews, H. L., Brownell, J. H.

“…Coherent enhancement of the Smith-Purcell radiation produced from the interaction of a 1.8 MeV electron beam with a grating has been observed. The emitted…”
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Electro-Optical determination of the Spectral Characteristics of components for THz-based Plasma Diagnostic by Taschin, A., Senni, L., Galatola-Teka, G., Alonzo, M., Doria, A., Giovenale, E., Zerbini, M.

“…Since long time THz-TDS techniques have been seen as a good option for the measurements of plasma parameters [1]. This becomes a particularly interesting…”
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THz Exposure of Whole Blood for the Study of Biological Effects on Human Lymphocytes by Scarfì, M R, Romanò, M, Di Pietro, R, Zeni, O, Doria, A, Gallerano, G P, Giovenale, E, Messina, G, Lai, A, Campurra, G, Coniglio, D, D'Arienzo, M

“…The aim of the present study is toinvestigate the genotoxic effect of THzradiation in human peripheral bloodlymphocytes following 20 minutes exposureto 1 mW…”
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Active electric near field imaging of electronic devices by Coppa, A., Foglietti, V., Giovine, E., Doria, A., Gallerano, G.P., Giovenale, E., Cetronio, A., Lanzieri, C., Peroni, M., Evangelisti, F.

“…An active two dimensional near field imaging of a High Electron Mobility Transistor (HEMT) used as THz detector has been performed. The reflective imaging…”
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Long wavelength compact-FEL with controlled energy–phase correlation by Doria, A, Asgekar, V.B, Esposito, D, Gallerano, G.P, Giovenale, E, Messina, G, Ronsivalle, C

“…A radio-frequency modulated electron beam passing through a magnetic undulator generates coherent spontaneous emission (CSE) when the electron bunch length is…”
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THz radiation studies on biological systems at the ENEA FEL facility by Doria, A, Gallerano, G.P, Giovenale, E, Messina, G, Lai, A, Ramundo-Orlando, A, Sposato, V, D'Arienzo, M, Perrotta, A, Romanò, M, Sarti, M, Scarfı̀, M.R, Spassovsky, I, Zeni, O

“…Emerging technologies are considering the possible use of THz radiation in different fields, ranging from telecommunication to biology and biomedicine. The…”
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Can coherent Smith–Purcell radiation be used to determine the shape of an electron bunch? by Doria, A., Gallerano, G.P., Giovenale, E., Messina, G., Doucas, G., Kimmitt, M.F., Andrews, H.L., Brownell, J.H.

“…Recent measurements at Frascati of the Smith–Purcell radiation emitted from the interaction of a 2.3 MeV (total) electron beam with a 2.5 mm grating show clear…”
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Enhancement of Coherent Emission by Energy-Phase Correlation in a Bunched Electron Beam by Doria, A., Gallerano, G. P., Giovenale, E., Letardi, S., Messina, G., Ronsivalle, C.

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Free electron broad-band THz radiator by Doria, A., Gallerano, G.P., Giovenale, E.

“…In this paper, a comparison between the conventional Tera-Hertz (THz) sources and a THz radiator based on free electron devices is proposed. The basic idea of…”
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Imaging the coupling of terahertz radiation to a high electron mobility transistor in the near-field by Ortolani, M., Di Gaspare, A., Giovine, E., Evangelisti, F., Foglietti, V., Doria, A., Gallerano, G. P., Giovenale, E., Messina, G., Spassovsky, I., Lanzieri, C., Peroni, M., Cetronio, A.

“…We used AlGaN/GaN high electron mobility transistors as room-temperature direct detectors of radiation at 0.15 THz from a free electron laser, hence 5 times…”
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Compact free electron lasers: From Cerenkov to waveguide free electron lasers by Gallerano, G.P., Doria, A., Giovenale, E., Renieri, A.

“…The basic principles of free electron generators of coherent radiation and the practical considerations related to the development of far infrared and…”
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Operation of a compact free-electron laser in the millimeter-wave region with a bunched electron beam by CIOCCI, F, BARTOLINI, R, DORIA, A, GALLERANO, G. P, GIOVENALE, E, KIMMITT, M. F, MESSINA, G, RENIERI, A

“…The waveguide operation of a compact free-electron laser driven by a 2.3- MeV S-band microtron is reported. Power up to 1 kW in 4-micron pulses has been…”
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A metal-grating FEL experiment at the ENEA compact-FEL facility by Doria, A, Gallerano, G.P, Giovenale, E, Messina, G, Asgekar, V.B, Doucas, G, Kimmitt, M.F, Brownell, J.H, Walsh, J.E

“…We report the first results from an experiment aimed at a detailed study of the interaction of an electron beam with a metallic grating (the Smith–Purcell…”
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