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

Research output: Contribution to journalArticle

29 Citations (Scopus)

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 languageEnglish (US)
Pages (from-to)4420-4422
Number of pages3
JournalApplied Physics Letters
Volume83
Issue number21
DOIs
StatePublished - Nov 24 2003

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laser materials
surface defects
lithium niobates
microbalances
voids
electron microscopy
microscopy
defects
crystals
lasers
ions
interactions

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)

Cite this

Nanoscale surface and subsurface defects induced in lithium niobate by a femtosecond laser. / Stach, Eric A.; Radmilovic, Velimir; Deshpande, Devesh; Malshe, Ajay; Alexander, Dennis; Doerr, David.

In: Applied Physics Letters, Vol. 83, No. 21, 24.11.2003, p. 4420-4422.

Research output: Contribution to journalArticle

Stach, Eric A. ; Radmilovic, Velimir ; Deshpande, Devesh ; Malshe, Ajay ; Alexander, Dennis ; Doerr, David. / Nanoscale surface and subsurface defects induced in lithium niobate by a femtosecond laser. In: Applied Physics Letters. 2003 ; Vol. 83, No. 21. pp. 4420-4422.
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