Third-order nonlinear optical properties of bis(tetrabutylammonium)bis(4,5-dithiolato-1,3-dithiole-2-thione)copper
Journal Article
·
· Materials Research Bulletin
- Department of Optics, Shandong University, Jinan 250100 (China)
- State Key Laboratory of Crystal Materials, Shandong University, Jinan 250100 (China)
Bis(tetrabutylammonium)bis(4,5-dithiolato-1,3-dithiole-2-thione)copper (BCDT) was synthesized and its third-order optical nonlinearity was characterized using picosecond Z-scan at 1064 nm. The Z-scan spectra reveal a large negative nonlinear refraction coefficient n {sub 2} as high as 4.0 x 10{sup -18} m{sup 2}/W and a slight two-photon absorption {beta}, which is determined to be 3.4 x 10{sup -12} m/W. The molecular second-order hyperpolarizability {gamma} was calculated to be 6.5 x 10{sup -32} esu. All these results suggest that this material has potential for the application of all-optical switching.
- OSTI ID:
- 20891606
- Journal Information:
- Materials Research Bulletin, Journal Name: Materials Research Bulletin Journal Issue: 1 Vol. 41; ISSN MRBUAC; ISSN 0025-5408
- Country of Publication:
- United States
- Language:
- English
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