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Electron Beam Sources Based on Carbon Nanotube for THz Applications

  • Yong Hyup Kim
  • Tae June Kang
  • Wal Jun Kim
  • Eui Yun Jang
  • Jeong Seok Lee
Chapter

Abstract

Performance of electron emitter plays an essential role in the detection and generation of electromagnetic wave signals. It becomes technologically challenging from spanning terahertz applications, due to the lack of sufficient power sources. The vacuum THz amplifier, such as a travelling wave tube or a klystron is practically used to increase the output power. The characteristic of these amplifiers is mainly represented by the performance of electron beam source which has to deliver a sufficient current in order to allow an amplification of the THz signal.

Keywords

Point Emitter Field Emission Property Emission Current Density Field Emission Display Lithium Dodecyl Sulfate 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer Science+Business Media Dordrecht 2012

Authors and Affiliations

  • Yong Hyup Kim
    • 1
  • Tae June Kang
    • 1
  • Wal Jun Kim
    • 1
  • Eui Yun Jang
    • 1
  • Jeong Seok Lee
    • 1
  1. 1.Department of Physics and Astronomy, School of Mechanical and Aerospace EngineeringSeoul National UniversitySeoulRepublic of South Korea

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