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:	Creators Email Pitt Username ORCID An, H Fleming, S McMillen, BW Chen, KP pec9@pitt.edu PEC9 0000-0002-4830-0817 Snoke, D snoke@pitt.edu SNOKE
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:	15 Jan 2021 15:55
URI:	http://d-scholarship.pitt.edu/id/eprint/21533

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