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Alan M. Cook
Researcher at United States Naval Research Laboratory
Publications - 83
Citations - 1133
Alan M. Cook is an academic researcher from United States Naval Research Laboratory. The author has contributed to research in topics: Amplifier & Beam (structure). The author has an hindex of 16, co-authored 80 publications receiving 941 citations. Previous affiliations of Alan M. Cook include Massachusetts Institute of Technology & University of California, Los Angeles.
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Journal ArticleDOI
Observation of Narrow-Band Terahertz Coherent Cherenkov Radiation from a Cylindrical Dielectric-Lined Waveguide
TL;DR: Experimental observation of narrow-band coherent Cherenkov radiation driven by a subpicosecond electron bunch traveling along the axis of a hollow cylindrical dielectric-lined waveguide with submillimeter transverse dimensions is reported.
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Breakdown limits on Gigavolt-per-meter electron-beam-driven wakefields in dielectric structures.
M. C. Thompson,M. C. Thompson,H. Badakov,Alan M. Cook,James Rosenzweig,R. Tikhoplav,Gil Travish,I. Blumenfeld,Mark Hogan,Rasmus Ischebeck,Neil Kirby,Robert H. Siemann,D. Walz,Patrick Muggli,Alan L. Scott,R. B. Yoder +15 more
TL;DR: First measurements of the breakdown threshold in a dielectric subjected to GV/m wakefields produced by short (30-330 fs), 28.5 GeV electron bunches have been made and correlation of structure damage to beam-induced breakdown is established using an array of postexposure inspection techniques.
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Demonstration of a High Power, Wideband 220-GHz Traveling Wave Amplifier Fabricated by UV-LIGA
Colin D. Joye,Alan M. Cook,Jeffrey P. Calame,David K. Abe,Alexander N. Vlasov,Igor A. Chernyavskiy,Khanh T. Nguyen,Edward L. Wright,Dean E. Pershing,Takuji Kimura,Mark Hyttinen,Baruch Levush +11 more
TL;DR: In this paper, the first vacuum electronic traveling wave amplifier incorporating an interaction circuit fabricated by ultraviolet photolithography and electroforming, demonstrating over 60 W of output power at 214.5 GHz from a 12.1 kV, 118 mA electron beam.
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Pressure Dependence of Plasma Structure in Microwave Gas Breakdown at 110 GHz
TL;DR: In this paper, the authors show that as pressure is decreased from atmosphere to a few torr, the discharge transitions from a well-defined array to a smeared-out array and finally to a diffuse plasma.
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Effects of ion motion in intense beam-driven plasma wakefield accelerators.
TL;DR: The motion of plasma ions under the beam fields is analyzed, and it is found that for a proposed PWFA collider scenario that the ions completely collapse inside of the beam.