Demonstration of microwave generation by a ferroelectric-cathode tube

R. Drori; M. Einat; D. Shur; E. Jerby; G. Rosenman; R. Advani; R. J. Temkin; C. Pralong

doi:10.1063/1.123063

Demonstration of microwave generation by a ferroelectric-cathode tube

R. Drori^*, M. Einat, D. Shur, E. Jerby, G. Rosenman, R. Advani, R. J. Temkin, C. Pralong

^*Corresponding author for this work

School of Electrical Engineering

Research output: Contribution to journal › Article › peer-review

29 Scopus citations

Abstract

A ferroelectric cathode is employed in a cyclotron-resonance maser (CRM). The CRM oscillator device operates at ∼7 GHz, near the cutoff frequency of a hollow cylindrical cavity. The cathode is made of a PLZT 12/65/35 ceramic with high-dielectric constant (ε_r∼4000). Electrons are extracted from the plasma excited on the cathode surface by ∼1 kV short rise-time pulses. The use of ferroelectric cathodes may advance the microwave tube technology for various applications.

Original language	English
Pages (from-to)	335-337
Number of pages	3
Journal	Applied Physics Letters
Volume	74
Issue number	3
DOIs	https://doi.org/10.1063/1.123063
State	Published - 18 Jan 1999

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AU - Temkin, R. J.

AU - Pralong, C.

PY - 1999/1/18

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Demonstration of microwave generation by a ferroelectric-cathode tube

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