Comment on Forbidden nature of multipolar contributions to second-harmonic generation in isotropic fluids
Physical Review A, ISSN: 1050-2947, Vol: 42, Issue: 10, Page: 6249-6251
1990
- 22Citations
- 11Captures
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Review Description
Andrews and Blake [Phys. Rev. A 38, 3113 (1988)] have presented an analysis suggesting that no coherent optical second-harmonic radiation is produced to any order in a multipole expansion by a fluid of noninteracting, randomly oriented molecules under excitation by a plane-wave electric field. We demonstrate to all orders of nonlocality that the correct description of any isotropic centrosymmetric medium in the field of a plane wave includes a longitudinal (generalized) nonlinear source polarization, which was not treated by Andrews and Blake. This bulk polarization does not give rise to a second-harmonic wave with a growing intensity in the medium; however, as has been recognized in the literature, it cannot be neglected in measurements of second-harmonic generation from surfaces and interfaces, since a longitudinal polarization is capable of exciting transverse electromagnetic waves at a discontinuity. © 1990 The American Physical Society.
Bibliographic Details
http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=6944247089&origin=inward; http://dx.doi.org/10.1103/physreva.42.6249; http://www.ncbi.nlm.nih.gov/pubmed/9903914; https://link.aps.org/doi/10.1103/PhysRevA.42.6249; http://harvest.aps.org/v2/journals/articles/10.1103/PhysRevA.42.6249/fulltext; http://link.aps.org/article/10.1103/PhysRevA.42.6249
American Physical Society (APS)
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