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On the electric field dependence of Raman scattering
Author(s) -
Aussenegg Franz R.,
Lippitsch Max E.
Publication year - 1986
Publication title -
journal of raman spectroscopy
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.748
H-Index - 110
eISSN - 1097-4555
pISSN - 0377-0486
DOI - 10.1002/jrs.1250170110
Subject(s) - raman spectroscopy , raman scattering , polarizability , electric field , x ray raman scattering , field (mathematics) , chemistry , analytical chemistry (journal) , molecular physics , materials science , condensed matter physics , optics , physics , molecule , quantum mechanics , mathematics , organic chemistry , chromatography , pure mathematics
The influence of high electrostatic fields on Raman scattering has been studied. For fields approaching 10 8 V m −1 in polymers a contribution to the Raman intensity due to the non‐linearity of the Raman polarizability could be demonstrated. These results are in agreement with theoretical considerations. The band position does not change within the achieved resolution of 0.1 cm −1 for fields up to 1.7 × 10 8 V m −1 , as also expected from theoretical estimates. With pulsed fields of duration < 1 μs, field strengths exceeding the static breakdown strength could be applied. In this case, however, a very complex pre‐breakdown behaviour was observed, influencing the Raman scattering in a manner not yet understood.