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Microstructural imaging of high repetition rate ultrafast laser written LiTaO<inf>3</inf> waveguides

McMillen, B and Chen, KP and Jaque, D (2009) Microstructural imaging of high repetition rate ultrafast laser written LiTaO<inf>3</inf> waveguides. Applied Physics Letters, 94 (8). ISSN 0003-6951

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Abstract

The microstructural changes associated with the formation of lithium tantalate waveguides after high repetition rate ultrafast laser inscription has been investigated by confocal micro-Raman experiments. While the laser beam focal volume is characterized by significant lattice damage, no reduction of Raman mode strength has been observed at the guiding region, suggesting the preservation of the nonlinear optical coefficient in the waveguide. A general blueshift of the Raman modes has been observed at the guiding region, suggesting lattice compression as the dominant mechanism of waveguide formation. © 2009 American Institute of Physics.


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Details

Item Type: Article
Status: Published
Creators/Authors:
CreatorsEmailPitt UsernameORCID
McMillen, B
Chen, KPpec9@pitt.eduPEC90000-0002-4830-0817
Jaque, D
Date: 6 March 2009
Date Type: Publication
Journal or Publication Title: Applied Physics Letters
Volume: 94
Number: 8
DOI or Unique Handle: 10.1063/1.3088852
Schools and Programs: Swanson School of Engineering > Electrical and Computer Engineering
Refereed: Yes
ISSN: 0003-6951
Date Deposited: 09 Jun 2014 15:17
Last Modified: 15 Jan 2021 15:55
URI: http://d-scholarship.pitt.edu/id/eprint/21721

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