Stark Level-Crossing Spectroscopy Of Highly Vibrationally Excited Molecules

William F Polik; Dean R Guyer; C.Bradley Moore

doi:10.1117/12.945520

22 June 1988 Stark Level-Crossing Spectroscopy Of Highly Vibrationally Excited Molecules

William F Polik, Dean R Guyer, C.Bradley Moore

Proceedings Volume 0912, Pulse Single-Frequency Lasers: Technology and Applications; (1988) https://doi.org/10.1117/12.945520
Event: 1988 Los Angeles Symposium: O-E/LASE '88, 1988, Los Angeles, CA, United States

Abstract

Stark level-crossing spectroscopy is a new application of pulsed, single-frequency lasers which accesses highly excited vibrational states in a polyatomic molecule. The fluores-cence lifetime of a single rovibrational level in the first excited electronic state (S₁) is recorded as it is Stark tuned across highly excited states of the ground electronic state (S₀). Resonantly enhanced nonradiative decay causes dips in the S₁ lifetime as the S₁ state passes through resonance with S₀ states, permitting the highly excited So level structure to be mapped out. Stark level-crossing spectra of d₂-formaldehyde are presented.

Citation Download Citation

William F Polik, Dean R Guyer, and C.Bradley Moore "Stark Level-Crossing Spectroscopy Of Highly Vibrationally Excited Molecules", Proc. SPIE 0912, Pulse Single-Frequency Lasers: Technology and Applications, (22 June 1988); https://doi.org/10.1117/12.945520

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