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Electron‐beam‐pumped light sources using graphite nanoneedle field emitters and Si electron‐transparent films
Authors:Hidenori Mimura  Kazufumi Shiozawa  Yoichiro Neo  Morihiro Okada  Masafumi Takahasi  Gen Hashiguchi
Abstract:Sputter‐induced carbon nanoneedle field emitters and Si electron‐transparent films have been developed for electron‐beam‐pumped light sources. The sputter‐induced carbon nanoneedle field emitters exhibited a stable electron emission of 0.1 mA at an average field of 13 V/µm. The 1.5‐µm thick Si electron‐transparent films achieved an electron transmittance of about 60% at an acceleration voltage of 27 kV. An electron‐beam‐pumped light source was demonstrated from the excitation of N2 gas, and a N2 gas spectrum was clearly observed. The increase of the beam current is important for increasing the light intensity. Copyright © 2007 Institute of Electrical Engineers of Japan© 2007 Institute of Electrical Engineers of Japan. Published by John Wiley & Sons, Inc.
Keywords:field emitter  electron‐transparent film  light source  electron‐beam pumping
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