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Proceedings Paper

Growth and optical characterization of PTS polymer single crystals
Author(s): Mingguo Liu; Fumiyo Yoshino; Sergey Polyakov; George I. Stegeman
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Paper Abstract

The crystal growth technique and associated optical characterizations of polydiacetylene PTS , poly bis(p-toluene sulfonate) of 2,4-hexadiyne-l,6-diol, are reviewed in this paper. The commonly observed defects such as twinning and cracking and their origins are analyzed. Two factors were found to significantly decrease the density of defects and improve the quality. First, the monomer crystal was grown reasonably quick consistent with single crystal growth to reduce polymerization. Second, the polymerization rate was reduced dramatically for the 10% to 90% conversion region for a smooth conversion by reducing the polymerization temperature. The absorption spectrum, typical Z-scans for measuring the optical nonlinearity, and SEM pictures of the surfaces are given as measures of the optical quality of the PTS crystals.

Paper Details

Date Published: 23 June 2000
PDF: 12 pages
Proc. SPIE 10299, Novel Materials and Crystal Growth Techniques for Nonlinear Optical Devices: A Critical Review, 1029909 (23 June 2000); doi: 10.1117/12.419801
Show Author Affiliations
Mingguo Liu, CREOL/Univ. of Central Florida (United States)
Fumiyo Yoshino, CREOL/Univ. of Central Florida (United States)
Sergey Polyakov, CREOL/Univ. of Central Florida (United States)
George I. Stegeman, CREOL/Univ. of Central Florida (United States)


Published in SPIE Proceedings Vol. 10299:
Novel Materials and Crystal Growth Techniques for Nonlinear Optical Devices: A Critical Review
Ravindra B. Lal, Editor(s)

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