Femtosecond Time-Resolved Observations Of Molecular And Crystalline Vibrations And Rearrangements

Keith A. Nelson

doi:10.1117/12.948650

1 February 1989 Femtosecond Time-Resolved Observations Of Molecular And Crystalline Vibrations And Rearrangements

Keith A. Nelson

Proceedings Volume 0981, High Speed Photography, Videography, and Photonics VI; (1989) https://doi.org/10.1117/12.948650
Event: 32nd Annual International Technical Symposium on Optical and Optoelectronic Applied Science and Engineering, 1988, San Diego, CA, United States

Abstract

Time-resolved spectroscopy of condensed phase rearrangements is discussed and illustrative examples are presented. A femtosecond pulse initiates phase-coherent nuclear motion in nearly any medium through which it passes, through either optical absorption or impulsive stimulated light scattering. Acoustic phonons, optic phonons, molecular vibrations, or other types of motion may be driven. Once initiated, these motions can be monitored in real time with additional short pulses. In some cases the motion underway may lead to chemical or structural rearrangement of the sample. Examples of structural phase transitions, chemical reactions, and molecular dynamics in the liquid state are discussed.

Citation Download Citation

Keith A. Nelson "Femtosecond Time-Resolved Observations Of Molecular And Crystalline Vibrations And Rearrangements", Proc. SPIE 0981, High Speed Photography, Videography, and Photonics VI, (1 February 1989); https://doi.org/10.1117/12.948650

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