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Title: Terahertz radiation in alkali vapor plasmas

By taking advantage of low ionization potentials of alkali atoms, we demonstrate terahertz wave generation from cesium and rubidium vapor plasmas with an amplitude nearly one order of magnitude larger than that from nitrogen gas at low pressure (0.02–0.5 Torr). The observed phenomena are explained by the numerical modeling based upon electron tunneling ionization.
Authors:
;  [1]
  1. Institute of Optics, University of Rochester, Rochester, New York 14627 (United States)
Publication Date:
OSTI Identifier:
22273410
Resource Type:
Journal Article
Resource Relation:
Journal Name: Applied Physics Letters; Journal Volume: 104; Journal Issue: 19; Other Information: (c) 2014 AIP Publishing LLC; Country of input: International Atomic Energy Agency (IAEA)
Country of Publication:
United States
Language:
English
Subject:
74 ATOMIC AND MOLECULAR PHYSICS; CESIUM; IONIZATION; PRESSURE RANGE PA; RUBIDIUM; TUNNEL EFFECT; VAPORS