28 June 1984 Absolute Two-Photon Excitation Cross-Sections In NO
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Proceedings Volume 0482, Applications of Laser Chemistry & Diagnostics; (1984) https://doi.org/10.1117/12.943097
Event: 1984 Technical Symposium East, 1984, Arlington, United States
Abstract
A technique has been developed which allows the determination of a two-photon absorption cross-section to be made relative to the Raman scattering cross-section in nitrogen. Spatial and temporal effects associated with the lasers are ratioed out to give a result in-dependent of laser parameters. The necessary theory to extract a cross-section from the measured ratio of a Coherent Anti-Stokes Raman Scattering (CARS) signal in N2 to a four-wave mixing signal in NO has been developed. The technique has been demonstrated on the R22 S12(J" = 9 1/2) line in NO and a cross-section of (2.9 + 1.8) x 10-49 cm4-s was determined. This technique appears to be applicable to a number of other diatomic molecules.
© (1984) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
J. Burris, J. Burris, T. McGee, T. McGee, T. McIlrath, T. McIlrath, } "Absolute Two-Photon Excitation Cross-Sections In NO", Proc. SPIE 0482, Applications of Laser Chemistry & Diagnostics, (28 June 1984); doi: 10.1117/12.943097; https://doi.org/10.1117/12.943097
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