Third-order nonlinear mixing in polydiacetylene solutions
- 15 November 1978
- journal article
- research article
- Published by AIP Publishing in The Journal of Chemical Physics
- Vol. 69 (10) , 4482-4486
- https://doi.org/10.1063/1.436437
Abstract
Third‐order mixing has been measured in solutions of the polydiacetylenes. The Raman molecular vibration contribution to the third‐order susceptibility χT(3) (−ω3, ω1, ω1, −ω2) has been characterized completely. A surprisingly strong polymer two‐photon absorption contribution to χT(3) was found. The cross section for two‐photon absorption at 2ω1=32 000 cm−1 is 6×10−47 cm4 sec photon−1 (polymer repeat unit)−1. The polymer nonresonant susceptibility could not be determined because of the strong two‐photon contribution to χT(3).Keywords
This publication has 16 references indexed in Scilit:
- Two-photon spectra of gases by three-wave mixingChemical Physics Letters, 1978
- Reversible creation of defects by light in one dimensional conjugated polymersChemical Physics, 1977
- A Review of the Theory and Application of Coherent Anti-Stokes Raman Spectroscopy (CARS)Applied Spectroscopy, 1977
- Optical properties of one-dimensional semiconductors and conjugated polymersPhysical Review B, 1977
- Comments on the optical properties of fully conjugated polymers: Analogy between polyenes and polydiacetylenesJournal of Polymer Science: Polymer Physics Edition, 1976
- The Resonant Raman EffectAnnual Review of Physical Chemistry, 1976
- Optical Nonlinearities in One-Dimensional-Conjugated Polymer CrystalsPhysical Review Letters, 1976
- Two-photon absorption in semiconductors with picosecond laser pulsesPhysical Review B, 1976
- Double resonance interference in third-order light mixingOptics Communications, 1976
- Electronic excitations of a conjugated polymer crystalJournal of Physics C: Solid State Physics, 1975