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David B. McDermott
Researcher at University of California, Los Angeles
Publications - 44
Citations - 654
David B. McDermott is an academic researcher from University of California, Los Angeles. The author has contributed to research in topics: Amplifier & Gyrotron. The author has an hindex of 12, co-authored 44 publications receiving 628 citations.
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Journal ArticleDOI
High-power harmonic gyro-TWT's. I. Linear theory and oscillation study
TL;DR: In this article, a linear theory using Laplace transforms for gyrotron traveling wave amplifiers (TWTs) and gyro-backward-wave oscillators (gyro-BWOs) is presented.
Journal Article
Bragg reflectors
C.K. Chong,David B. McDermott,Manijeh Razeghi,Neville C. Luhmann,J. Pretterebner,D. Wagner,Manfred Thumm,M. Caplan,B. Kulke +8 more
TL;DR: A Bragg reflector composed of periodic cylindrically symmetric corrugations can provide a reflection of nearly unity through the principles of constructive interference, allowing the formation of a frequency selective resonator as mentioned in this paper.
Journal ArticleDOI
High-power harmonic gyro-TWT's. II. Nonlinear theory and design
TL;DR: In this article, an extremely high power second-harmonic gyro-TWT has been designed, evaluated and optimized with a self-consistent nonlinear numerical simulation code, which is based on the magnetron-injection-gun (MIG)-type beam.
Journal ArticleDOI
Operation of a millimeter-wave harmonic gyrotron
TL;DR: In this paper, the operation of a millimeter-wave harmonic gyrotron is described in which the interaction is between large-orbit axis-encircling electrons and cylindrical cavity TEnll modes.
Journal ArticleDOI
Dielectric-loaded wideband gyro-TWT
TL;DR: In this paper, a gyro-TWT (traveling-wave tube) with a dielectric-loaded waveguide was investigated using a self-consistent single-mode, large-signal simulation based on a slow time scale formulation.