Resonant four-wave-mixing spectroscopy as a probe of molecular structure and dynamics in the regime of extreme vibrational excitation

S. Alex Kandel; T. A.W. Wasserman; Q. Zhang; H. Wang; Angela A. Arias; Patrick Henry Vaccaro

doi:10.1117/12.143078

22 April 1993 Resonant four-wave-mixing spectroscopy as a probe of molecular structure and dynamics in the regime of extreme vibrational excitation

S. Alex Kandel, T. A.W. Wasserman, Q. Zhang, H. Wang, Angela A. Arias, Patrick Henry Vaccaro

Author Affiliations +

Proceedings Volume 1858, Laser Techniques for State-Selected and State-to-State Chemistry; (1993) https://doi.org/10.1117/12.143078
Event: OE/LASE'93: Optics, Electro-Optics, and Laser Applications in Scienceand Engineering, 1993, Los Angeles, CA, United States

Abstract

A new folded variant of optical-optical double resonance has been developed for the detailed characterization of polyatomic species that contain chemically significant quantities of vibrational excitation. Based upon a novel implementation of phase-conjugate degenerate four- wave mixing (DFWM) spectroscopy, this technique provides a quantum state-specific probe of molecular topography and dynamics that offers substantial advantages over more conventional methods. Despite the third-order nonlinearity inherent to the DFWM process, the tremendous resonant enhancement that accompanies this Doppler-free interaction permits facile detection of double resonance signals even under the rarified conditions present in a molecular beam environment.

Citation Download Citation

S. Alex Kandel, T. A.W. Wasserman, Q. Zhang, H. Wang, Angela A. Arias, and Patrick Henry Vaccaro "Resonant four-wave-mixing spectroscopy as a probe of molecular structure and dynamics in the regime of extreme vibrational excitation", Proc. SPIE 1858, Laser Techniques for State-Selected and State-to-State Chemistry, (22 April 1993); https://doi.org/10.1117/12.143078

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