Experimental demonstration of a terahertz extended interaction oscillator driven by a pseudospark-sourced sheet electron beam

G. X. Shu, L. Zhang, H. Yin, J. P. Zhao, A. D. R. Phelps, A. W. Cross, G. Liu, Y. Luo, Z. F. Qiao, W. He

Research output: Contribution to journalLetter

9 Citations (Scopus)

Abstract

We have recently proposed to combine the advantages of a pseudospark-sourced sheet electron beam (PS-SEB) with a planar slow wave structure to generate high power terahertz radiation. To verify this idea, experimental investigation of an extended interaction oscillator based on the PS-SEB has been conducted and presented. A PS-SEB of approximately 1.0 mm×0.17 mm in size with 21.5 A peak current (1.26×104 A/cm2 beam current density) and 34.5 kV peak voltage was measured after propagating a distance of 10-mm without the need of an external focusing magnetic field. A radiation pulse of ~35 ns in duration, and output power of over 10 W at a frequency of ~0.2 THz was measured.
LanguageEnglish
Article number033504
Number of pages5
JournalApplied Physics Letters
Volume112
Issue number3
DOIs
Publication statusPublished - 15 Jan 2018

Fingerprint

oscillators
electron beams
interactions
radiation
beam currents
current density
output
electric potential
pulses
magnetic fields

Keywords

  • pseudospark-sourced electron beam
  • sheet electron beam
  • extended interaction oscillator
  • EIO
  • terahertz (THz) sources
  • pseudospark-driven sources
  • Pseudospark discharge
  • terahertz radiation

Cite this

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title = "Experimental demonstration of a terahertz extended interaction oscillator driven by a pseudospark-sourced sheet electron beam",
abstract = "We have recently proposed to combine the advantages of a pseudospark-sourced sheet electron beam (PS-SEB) with a planar slow wave structure to generate high power terahertz radiation. To verify this idea, experimental investigation of an extended interaction oscillator based on the PS-SEB has been conducted and presented. A PS-SEB of approximately 1.0 mm×0.17 mm in size with 21.5 A peak current (1.26×104 A/cm2 beam current density) and 34.5 kV peak voltage was measured after propagating a distance of 10-mm without the need of an external focusing magnetic field. A radiation pulse of ~35 ns in duration, and output power of over 10 W at a frequency of ~0.2 THz was measured.",
keywords = "pseudospark-sourced electron beam, sheet electron beam, extended interaction oscillator, EIO, terahertz (THz) sources, pseudospark-driven sources, Pseudospark discharge, terahertz radiation",
author = "Shu, {G. X.} and L. Zhang and H. Yin and Zhao, {J. P.} and Phelps, {A. D. R.} and Cross, {A. W.} and G. Liu and Y. Luo and Qiao, {Z. F.} and W. He",
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Experimental demonstration of a terahertz extended interaction oscillator driven by a pseudospark-sourced sheet electron beam. / Shu, G. X.; Zhang, L.; Yin, H.; Zhao, J. P.; Phelps, A. D. R.; Cross, A. W.; Liu, G.; Luo, Y.; Qiao, Z. F.; He, W.

In: Applied Physics Letters, Vol. 112, No. 3, 033504, 15.01.2018.

Research output: Contribution to journalLetter

TY - JOUR

T1 - Experimental demonstration of a terahertz extended interaction oscillator driven by a pseudospark-sourced sheet electron beam

AU - Shu, G. X.

AU - Zhang, L.

AU - Yin, H.

AU - Zhao, J. P.

AU - Phelps, A. D. R.

AU - Cross, A. W.

AU - Liu, G.

AU - Luo, Y.

AU - Qiao, Z. F.

AU - He, W.

N1 - This article may be downloaded for personal use only. Any other use requires prior permission of the author and AIP Publishing. The following article has been accepted by Applied Physics Letters. After it is published, it will be found at http://aip.scitation.org/journal/apl/.

PY - 2018/1/15

Y1 - 2018/1/15

N2 - We have recently proposed to combine the advantages of a pseudospark-sourced sheet electron beam (PS-SEB) with a planar slow wave structure to generate high power terahertz radiation. To verify this idea, experimental investigation of an extended interaction oscillator based on the PS-SEB has been conducted and presented. A PS-SEB of approximately 1.0 mm×0.17 mm in size with 21.5 A peak current (1.26×104 A/cm2 beam current density) and 34.5 kV peak voltage was measured after propagating a distance of 10-mm without the need of an external focusing magnetic field. A radiation pulse of ~35 ns in duration, and output power of over 10 W at a frequency of ~0.2 THz was measured.

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