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Start Over Author "Grojo, David" Topic dielectric polarization Journal applied physics letters

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1. Control of energy deposition in femtosecond laser dielectric interactions.

Author

Peng, Jiahui, Grojo, David, Rayner, David M., and Corkum, Paul B.

Subjects
*INDUSTRIAL lasers, *FEMTOSECOND lasers, *NONLINEAR analysis, *DIELECTRIC polarization, *EXCITON theory
Abstract

There are natural limits to the spatial resolution and the deposited energy densities that can be achieved in femtosecond laser dielectric modification. These arise because of the threshold-like nature of nonlinear absorption. We use two-pulse experiments to show that both limits can be exceeded by taking advantage of absorption seeded by free electrons or self-trapped excitons, depending on the pulse separation. [ABSTRACT FROM AUTHOR]

Published
2013
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