The Possibility of Field Emission from Metal Surface with a Q-Switched Laser Pulse

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概要

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• The possibility to observe the field emission of electrons from a metal surface in the intense electric field of laser is discussed. The phenomenon has been observed in the intense D.C. field. For this purpose the magnitude of the delay time necessary for a Gaussian wavepacket to pass through a triangular potential is calculated. The electric field distribution inside the metal surface is also discussed for the case when a Q-switched laser pulse is incident on a metal surface at a grazing angle, the direction of the electric field being nearly normal to the metal surface. The conclusion is given that an emission current due to tunneling might be observed using a picosecond laser pulse having the intensity ∼10^9 watt and the duration ∼10^<-11> sec focussed into a diameter ∼300 μm at a grazing angle ∼1/100 radian. The wavelength should be larger than ∼6000 Å.

• 社団法人応用物理学会の論文
• 1973-07-05

著者

• Shishido Fumio

  Institute For Solid State Physics University Of Tokyo

関連論文

• A Stable Tunneling Device Composed of Two-Layer Insulator Film
• A Stabilized Tunneling Device through Double-Layer Insulator Film
• The Possibility of Field Emission from Metal Surface with a Q-Switched Laser Pulse
• Transport Coefficient of Multi-Layer Film of Semiconductors

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