Crossref journal-article
AIP Publishing
The Journal of Chemical Physics (317)
Abstract

Hyper-Rayleigh scattering (HRS) has been carried out for new azulenic donor–acceptor chromophores using near-infrared laser excitation at wavelengths of 1064 and 1907 nm. Hyperpolarizabilities obtained with the 1064 nm incident excitation are large compared with those obtained using the 1907 nm excitation, due to the effects of two-photon resonance enhancements in the former case. The HRS experiment using the 1907 nm excitation, while challenging to carry it out, gives the hyperpolarizability value closer to the intrinsic molecular hyperpolarizability. The popular two-level model that is used to predict the first hyperpolarizability of donor–acceptor charge transfer chromophores is employed to compare the measurements made on the same chromophores with 1064 and 1907 nm excitations. The model is found not to be able to correlate the results obtained at the two wavelengths. The first hyperpolarizability data obtained by using the 1907 nm excitation are consistent with electric field induced second harmonic generation data obtained by using the same wavelength.

Bibliography

Woodford, J. N., Wang, C. H., Asato, A. E., & Liu, R. S. H. (1999). Hyper-Rayleigh scattering of azulenic donor–acceptor molecules at 1064 and 1907 nm. The Journal of Chemical Physics, 111(10), 4621–4628.

Authors 4
  1. J. N. Woodford (first)
  2. C. H. Wang (additional)
  3. A. E. Asato (additional)
  4. R. S. H. Liu (additional)
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Dates
Type When
Created 23 years, 1 month ago (July 26, 2002, 8:17 a.m.)
Deposited 2 years, 2 months ago (June 30, 2023, 11:41 a.m.)
Indexed 1 year, 6 months ago (Feb. 10, 2024, 11 p.m.)
Issued 25 years, 11 months ago (Sept. 8, 1999)
Published 25 years, 11 months ago (Sept. 8, 1999)
Published Print 25 years, 11 months ago (Sept. 8, 1999)
Funders 0

None

@article{Woodford_1999, title={Hyper-Rayleigh scattering of azulenic donor–acceptor molecules at 1064 and 1907 nm}, volume={111}, ISSN={1089-7690}, url={http://dx.doi.org/10.1063/1.479223}, DOI={10.1063/1.479223}, number={10}, journal={The Journal of Chemical Physics}, publisher={AIP Publishing}, author={Woodford, J. N. and Wang, C. H. and Asato, A. E. and Liu, R. S. H.}, year={1999}, month=sep, pages={4621–4628} }