Two-color, two-photon, laser-induced polarization spectroscopy of atomic hydrogen using nearly transform-limited picosecond laser pulses is demonstrated. The broadening of the spectral line and the shift in transition frequency with laser power are also investigated.
© 2004 Optical Society of America
(020.0020) Atomic and molecular physics : Atomic and molecular physics
(020.4180) Atomic and molecular physics : Multiphoton processes
(300.0300) Spectroscopy : Spectroscopy
(300.6290) Spectroscopy : Spectroscopy, four-wave mixing
S. Roy, T. B. Settersten, B. Patterson, R. P. Lucht, and J. R. Gord, "Detection of atomic hydrogen using picosecond laser-induced polarization spectroscopy," in Laser Applications to Chemical and Environmental Analysis, Technical Digest (Optical Society of America, 2004), paper WB3.
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