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Thermal poling induced second-order nonlinearity in femtosecond-laser- modified fused silica

An, H and Fleming, S and McMillen, BW and Chen, KP and Snoke, D (2008) Thermal poling induced second-order nonlinearity in femtosecond-laser- modified fused silica. Applied Physics Letters, 93 (6). ISSN 0003-6951

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Abstract

Thermal poling was utilized to induce second-order nonlinearity in regions of fused silica modified by 771 nm femtosecond laser pulses. With second-harmonic microscopy, it was found that the nonlinearity in the laser-modified region was much lower than that in nonmodified regions. This is attributed to a more rigid glass network after irradiation by the femtosecond laser pulses and/or lack of mobile alkali ions. Measurement of the distribution of chemical elements in the femtosecond-laser-modified region in a soda lime glass revealed a lower level of sodium ions. © 2008 American Institute of Physics.


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Details

Item Type: Article
Status: Published
Creators/Authors:
CreatorsEmailPitt UsernameORCID
An, H
Fleming, S
McMillen, BW
Chen, KPpec9@pitt.eduPEC9
Snoke, Dsnoke@pitt.eduSNOKE
Date: 25 August 2008
Date Type: Publication
Journal or Publication Title: Applied Physics Letters
Volume: 93
Number: 6
DOI or Unique Handle: 10.1063/1.2973149
Schools and Programs: Swanson School of Engineering > Electrical and Computer Engineering
Refereed: Yes
ISSN: 0003-6951
Date Deposited: 14 May 2014 16:34
Last Modified: 03 Feb 2019 04:55
URI: http://d-scholarship.pitt.edu/id/eprint/21533

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