Electric-field-induced two-photon processes

David L. Andrews; Nick P. Blake; Kevin P. Hopkins

doi:10.1016/S0022-2860(98)80065-3

Electric-field-induced two-photon processes

David L. Andrews, Nick P. Blake, Kevin P. Hopkins

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Abstract

In this paper we outline the novel features associated with two-photon processes in the presence of intense static electric fields. Both electrical polarisation effects and non-linear electro-optical effects are discussed, and their likely orders of magnitude estimated. It is illustrated how the interaction of the electric field with a molecular centre can lead to a relaxation of conventional two-photon selection rules, allowing spectroscopic access to otherwise forbidden excited states. Selection rules for the electro-optical channel are tabulated for some of the more common point groups.

Original language	English
Pages (from-to)	135-140
Number of pages	6
Journal	Journal of Molecular Structure
Volume	175
DOIs	https://doi.org/10.1016/S0022-2860(98)80065-3
Publication status	Published - 1 May 1988

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title = "Electric-field-induced two-photon processes",

abstract = "In this paper we outline the novel features associated with two-photon processes in the presence of intense static electric fields. Both electrical polarisation effects and non-linear electro-optical effects are discussed, and their likely orders of magnitude estimated. It is illustrated how the interaction of the electric field with a molecular centre can lead to a relaxation of conventional two-photon selection rules, allowing spectroscopic access to otherwise forbidden excited states. Selection rules for the electro-optical channel are tabulated for some of the more common point groups.",

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AU - Hopkins, Kevin P.

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N2 - In this paper we outline the novel features associated with two-photon processes in the presence of intense static electric fields. Both electrical polarisation effects and non-linear electro-optical effects are discussed, and their likely orders of magnitude estimated. It is illustrated how the interaction of the electric field with a molecular centre can lead to a relaxation of conventional two-photon selection rules, allowing spectroscopic access to otherwise forbidden excited states. Selection rules for the electro-optical channel are tabulated for some of the more common point groups.

AB - In this paper we outline the novel features associated with two-photon processes in the presence of intense static electric fields. Both electrical polarisation effects and non-linear electro-optical effects are discussed, and their likely orders of magnitude estimated. It is illustrated how the interaction of the electric field with a molecular centre can lead to a relaxation of conventional two-photon selection rules, allowing spectroscopic access to otherwise forbidden excited states. Selection rules for the electro-optical channel are tabulated for some of the more common point groups.

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DO - 10.1016/S0022-2860(98)80065-3

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