Nanoscale surface and subsurface defects induced in lithium niobate by a femtosecond laser

Eric A. Stach; Velimir Radmilovic; Devesh Deshpande; Ajay Malshe; Dennis Alexander; David Doerr

doi:10.1063/1.1629797

Nanoscale surface and subsurface defects induced in lithium niobate by a femtosecond laser

Eric A. Stach, Velimir Radmilovic, Devesh Deshpande, Ajay Malshe, Dennis Alexander, David Doerr

Electrical & Computer Engineering

Research output: Contribution to journal › Article › peer-review

30 Scopus citations

Abstract

Ion and electron microscopy was used to characterize micro- and nanoscale surface and subsurface defects in LiNbO₃ formed during femtosecond laser processing. In each case, the ablated region is surrounded by amorphized material as well as a region containing highly defective crystal. The subsurface structure is completely amorphous with a void at the top of the structure, and an amorphous channel which reaches through the surface as a result of the explosive nature of the material-laser interaction.

Original language	English (US)
Pages (from-to)	4420-4422
Number of pages	3
Journal	Applied Physics Letters
Volume	83
Issue number	21
DOIs	https://doi.org/10.1063/1.1629797
State	Published - Nov 24 2003

ASJC Scopus subject areas

Physics and Astronomy (miscellaneous)

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abstract = "Ion and electron microscopy was used to characterize micro- and nanoscale surface and subsurface defects in LiNbO3 formed during femtosecond laser processing. In each case, the ablated region is surrounded by amorphized material as well as a region containing highly defective crystal. The subsurface structure is completely amorphous with a void at the top of the structure, and an amorphous channel which reaches through the surface as a result of the explosive nature of the material-laser interaction.",

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AU - Stach, Eric A.

AU - Radmilovic, Velimir

AU - Deshpande, Devesh

AU - Malshe, Ajay

AU - Alexander, Dennis

AU - Doerr, David

PY - 2003/11/24

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N2 - Ion and electron microscopy was used to characterize micro- and nanoscale surface and subsurface defects in LiNbO3 formed during femtosecond laser processing. In each case, the ablated region is surrounded by amorphized material as well as a region containing highly defective crystal. The subsurface structure is completely amorphous with a void at the top of the structure, and an amorphous channel which reaches through the surface as a result of the explosive nature of the material-laser interaction.

AB - Ion and electron microscopy was used to characterize micro- and nanoscale surface and subsurface defects in LiNbO3 formed during femtosecond laser processing. In each case, the ablated region is surrounded by amorphized material as well as a region containing highly defective crystal. The subsurface structure is completely amorphous with a void at the top of the structure, and an amorphous channel which reaches through the surface as a result of the explosive nature of the material-laser interaction.

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Nanoscale surface and subsurface defects induced in lithium niobate by a femtosecond laser

Abstract

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