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Proceedings Paper

Optical limiting performances of PbS nano-particles at 532nm
Author(s): Yun-Dong Zhang; Bei Cao; Hong-Gang Zhang; Jun-Jie Zhu
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Paper Abstract

We used a chemical method to synthesize three kinds of PbS nano-particles. There were different spatial forms in the nano-particles. The part of them were nano-ribbons with different length in shape, other parts were in nano-particles. We measured the nonlinear optical performance of suspension of three kinds of PbS nanoparticles, including nano-ribbons, nano-particles, in ethanol by nonlinear transmission and Z-scan technique with a doubled frequency Nd:YAG laser at 532nm. It was found that the PbS nanoparticles with various spatial structures exhibit good optical limiting performances. The maximum nonlinear refractive index is about 6.96x10-4 cm2/GW, nonlinear absorption coefficient is about 6.98cm./GW.

Paper Details

Date Published: 23 January 2006
PDF: 6 pages
Proc. SPIE 6029, ICO20: Materials and Nanostructures, 602909 (23 January 2006); doi: 10.1117/12.667670
Show Author Affiliations
Yun-Dong Zhang, Harbin Institute of Technology (China)
Bei Cao, Harbin Institute of Technology (China)
Hong-Gang Zhang, Harbin Institute of Technology (China)
Jun-Jie Zhu, Nanjing Univ. (China)

Published in SPIE Proceedings Vol. 6029:
ICO20: Materials and Nanostructures
Wei Lu; Jeff Young, Editor(s)

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