Near-surface secondary emission vacuum HF discharge in magnetic insulation conditions

L. G. Blyachman; V. E. Nechaev

doi:10.1117/12.174577

1 May 1994 Near-surface secondary emission vacuum HF discharge in magnetic insulation conditions

L. G. Blyachman, V. E. Nechaev

Proceedings Volume 2259, XVI International Symposium on Discharges and Electrical Insulation in Vacuum; (1994) https://doi.org/10.1117/12.174577
Event: XVI International Symposium on Discharges and Electrical Insulation in Vacuum, 1994, Moscow-St. Petersburg, Russian Federation

Abstract

Secondary Emission Discharge (SED) is one of the critical factors, which limit energy possibilities of the powerful HF-electronic devices with great magnetostatic fields (e.g., relativistic generator and amplifiers); it initiates a breakdown mechanism. The most dangerous, nonlocalized variety of the SED, which develops with the highest speed, is the one-sided resonance discharge. It is formed by electrons that oscillate near one of the Me surfaces and are driven back to this surface by the magnetic field H₀, which is directed in parallel or at some angle to this discharge surface. Characteristics of such secondary emission resonance discharge (SERD) have not been studied yet in the cases of arbitrary direction of the field H₀ to the discharge surface. However, near the walls of various devices (e.g., electrodynamic structures of generators) the angle of the direction of the field H₀ with respect to the surface can change in a wide range. The basic concepts of the theory of SERD starting regimes are studied in this report.

Citation Download Citation

L. G. Blyachman and V. E. Nechaev "Near-surface secondary emission vacuum HF discharge in magnetic insulation conditions", Proc. SPIE 2259, XVI International Symposium on Discharges and Electrical Insulation in Vacuum, (1 May 1994); https://doi.org/10.1117/12.174577

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