Production of Short-Wavelength (XUV) Photons From Ion-Laser- Excited-Surface Charge Exchange: Li3+,He+ + Si(111) Systems

  • Hai-Woong Lee
  • Thomas F. George
Conference paper


It has been proposed1,2 that some selected charge-exchange processes may serve as a means of achieving population inversion for short-wavelength (VUV and soft X-ray) lasers.


Unable to display preview. Download preview PDF.

Unable to display preview. Download preview PDF.


  1. 1.
    A. V. Vinogradov and I. I. Sobel’man, The Problem of Laser Radiation Sources in the Far Ultraviolet and X-Ray Regions, Soy. Phys. JETP 36: 1115 (1973); M. O. Scully, W. H. Louisell and W. B. McKnight, A Soft X-Ray Laser Utilizing Charge Exchange, Opt. Commun. 9: 246 (1973); J. S. Heiman, C. Rau and C. F. Bunge, X-Ray Laser Implementation by Means of a Strong Source of High-Spin Metastable Atoms, Phys. Rev. A 27: 262 (1983).Google Scholar
  2. 2.
    H. W. Lee, W. C. Murphy and T. F. George, Neutralization of Ions at an Electronically-Excited Semiconductor Surface, Chem. Phys. Lett. 93: 221 (1982).ADSCrossRefGoogle Scholar
  3. 3.
    H. W. Lee and T. F. George, Emission of Short-Wavelength Photons from Ion-Surface Charge Exchange, IEEE J. Quantum Electron., submitted.Google Scholar
  4. 4.
    S. G. Davison and J. D. Levine, Surface States, in “Solid State Physics,” Vol. 25, H. Ehrenreich, F. Seitz and D. Turnbull, eds., Academic Press, New York (1970), and references therein.Google Scholar
  5. 5.
    W. C. Murphy, A. C. Beri, T. F. George and J. Lin, Analysis of Laser-Enhanced Adsorption/Desorption Processes on Semiconductor Surfaces via Electronic Surface State Excitation, Mat. Res. Soc. Symp. Proc. 17: 273 (1983).CrossRefGoogle Scholar
  6. 6.
    W. C. Murphy and T. F. George, Laser-Induced Electron-Phonon Processes at Metal Surfaces, Surface Sci., submitted.Google Scholar

Copyright information

© Springer Science+Business Media New York 1984

Authors and Affiliations

  • Hai-Woong Lee
    • 1
  • Thomas F. George
    • 2
  1. 1.Department of PhysicsOakland UniversityRochesterUSA
  2. 2.Department of ChemistryUniversity of RochesterRochesterUSA

Personalised recommendations