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Chinese Optics Letters

Chinese Optics Letters


  • Vol. 1, Iss. 4 — Apr. 20, 2003
  • pp: 190–192

Resonance-enhanced multiphoton ionization of NO via X^(2) ? A^(2)? transition

Lianshui Zhang, Guiyin Zhang, Xiaodong Yang, Yi Li, and Xiaohui Zhao  »View Author Affiliations

Chinese Optics Letters, Vol. 1, Issue 4, pp. 190-192 (2003)

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The resonance-enhanced multiphoton ionization (REMPI) spectrum of NO has been obtained in the range of 420 - 480 nm with a Nd:YAG pumped optical parametric generator and amplifier. The spectral lines can be attributed to NO X^(2)(v" = 0; 1) ? A^(2)?(v' = 0; 1) transitions. In this wavelength range, NO molecules are ionized via the resonant intermediate state A^(2)?^(+) and by a (2 + 2) REMPI process. The dependence of ion signals on laser intensity and gas pressure is discussed. The variation of the ionization signal versus laser intensity is near quartic. This is in good agreement with theory.

© 2005 Chinese Optics Letters

OCIS Codes
(020.4180) Atomic and molecular physics : Multiphoton processes
(260.5210) Physical optics : Photoionization

Lianshui Zhang, Guiyin Zhang, Xiaodong Yang, Yi Li, and Xiaohui Zhao, "Resonance-enhanced multiphoton ionization of NO via X^(2) ? A^(2)? transition," Chin. Opt. Lett. 1, 190-192 (2003)

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