Accession Number : AD0286788

Title :   APPLIED RESEARCH IN MICROWAVE AND QUANTUM ELECTRONICS

Corporate Author : MICHIGAN UNIV ANN ARBOR ELECTRON PHYSICS LAB

Personal Author(s) : BOERS,J.E. ; DETWEILER,H.K.

Report Date : AUG 1962

Pagination or Media Count : 1

Abstract : Several techniques for mounting a wire helix in a beryllium oxide envelope with good thermal contact between the two materials are described, including a solution of the heat equation for the helix-envelope system. The theoretical analysis of noise transport in a two-dimensional electron beam diode is carried out using two methods, the Monte Carlo method and the density function method. Extensive results of the former are presented while for the latter only the derivation of the working equations is shown. For the noise propagation in a multivelocity electron beam an analogy has been made to acoustic waves in air. An electron gas being a nondispersive medium is considered under equilibrium conditions. The maser work includes work on materials and slowwave structures for broadband traveling-wave masers. A number of pumping schemes are presented. Nonlinear beam-plasma interaction equations have been derived. These equations are in a stage where they can be programmed for solution on a digital computer. A small-signal theoretical treatment of a beam of charged particles interacting with a weakly ionized stationary plasma is also given. Poisson cell work in conjunction with an analog computer is discussed. A multi-electrode crossed-field gun has also been constructed. (Author)

Descriptors :   *MICROWAVES, *QUANTUM THEORY, ELECTRIC FIELDS, ELECTRON BEAMS, GASES, IONIZATION, MASERS, PLASMAS(PHYSICS), THERMAL CONDUCTIVITY

Distribution Statement : APPROVED FOR PUBLIC RELEASE