✦ LIBER ✦

Linear and nonlinear optical properties of tris thiourea zinc sulphate single crystals

✍ Scribed by T. C. Sabari Girisun; S. Dhanuskodi

Publisher: John Wiley and Sons
Year: 2009
Tongue: English
Weight: 205 KB
Volume: 44
Category: Article
ISSN: 0232-1300
DOI: 10.1002/crat.200900351

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✦ Synopsis

Abstract

Optical absorption of tris thiourea zinc sulphate (ZTS) single crystals has been measured and its direct band gap was found to be 3.6 eV. Theoretical calculations were carried out to determine the linear optical constants such as extinction coefficient and refractive index. Further the optical nonlinearties of ZTS have been investigated by Z‐scan technique with He‐Ne laser at 632.8 nm. The nonlinear refractive index, absorption coefficient and third order susceptibility is found to be in the order of –5.36 ± 0.26 × 10^–12^ cm^2^/W, 4.24 ± 0.21 × 10^–4^ cm/W, 3.5 ± 0.17 × 10^–4^ esu respectively. Thus optical characterization of ZTS reveals the various industrial application oriented properties of the material. (© 2009 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim)

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