Accession Number : AD0658680

Title :   MAGNETIC COMPRESSION OF ELECTRON BEAMS.

Descriptive Note : Quarterly rept. no. 8, 1 Apr-30 Jun 67,

Corporate Author : HUGHES RESEARCH LABS MALIBU CALIF

Personal Author(s) : Amboss,Kurt

Report Date : SEP 1967

Pagination or Media Count : 21

Abstract : The objective of this program is to compress a perveance 0.0000054 A/V to the 3/2 power electron beam by a factor of 1000 and to gain an understanding of the behavior of the beam. The experimental approach involves the probing of a scaled-up beam in suitable magnetic fields and the subsequent demonstration of compression in a sealed-off tube with a beam of the correct size. The theoretical approach has been to extend the linear optical theory to include nonlinear effects. The sealed-off beam tester was constructed and tested during this quarter. For reasons that are not yet understood, initial testing revealed no beam current to the collector. The beam tester was reassembled with a drift tube 0.034 in. in diameter replacing the 0.014 in. diameter tube, and transmission was obtained. Tests indicated that the collector had to be redesigned and that part of the body current resulted from electrons reflected from the collector. These tests are continuing. Compression experiments in the demountable beam tester on a perveance 0.000017 A/V to the 3/2 power. (Author)

Descriptors :   (*ELECTRON BEAMS, MAGNETIC FIELDS), ELECTRON GUNS, COMPRESSIVE PROPERTIES, VELOCITY, THERMAL PROPERTIES

Subject Categories : Electrical and Electronic Equipment
      Nuclear Physics & Elementary Particle Physics

Distribution Statement : APPROVED FOR PUBLIC RELEASE