Matter in strong fields: from molecules to living cells

Mathur, D. (2007) Matter in strong fields: from molecules to living cells Journal of Physics Conference Series, 88 . No PP. Given. ISSN 1742-6588

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Official URL: http://iopscience.iop.org/1742-6596/88/1/012048

Related URL: http://dx.doi.org/10.1088/1742-6596/88/1/012048

Abstract

Strong optical fields induce multiple ionization in irradiated molecules. The ionization dynamics are governed by optical-field-induced distortions of molecular potential energy surfaces and molecular dissociation is the expected by-product. Recent experiments have even shown, quite counter-intuitively, that strong optical fields may even induce bond formation processes in molecules. All such processes are all manifestations of how intense light affects matter. In turn, matter also affects intense light. A visually dramatic manifestation of matter affecting light is obtained when ultrashort pulses of intense light propagate though condensed matter. The temporal and spatial properties of the incident light pulse are modified, and such modifications manifest themselves in an enlarged optical frequency sweep, resulting in the generation of broadband radiation (white light) known as supercontinuum production. Although the physics that governs supercontinuum generation is not properly understood, some recent progress is summarized. Novel applications of strong field phenomena are reported that are of relevance in the biomedical and life sciences.

Item Type:Article
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ID Code:69030
Deposited On:08 Nov 2011 04:31
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