Optical limiting performances of PbS nano-particles at 532nm

Yun-Dong Zhang; Bei Cao; Hong-Gang Zhang; Jun-Jie Zhu

doi:10.1117/12.667670

23 January 2006 Optical limiting performances of PbS nano-particles at 532nm

Yun-Dong Zhang, Bei Cao, Hong-Gang Zhang, Jun-Jie Zhu

Proceedings Volume 6029, ICO20: Materials and Nanostructures; 602909 (2006) https://doi.org/10.1117/12.667670
Event: ICO20:Optical Devices and Instruments, 2005, Changchun, China

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.

Citation Download Citation

Yun-Dong Zhang, Bei Cao, Hong-Gang Zhang, and Jun-Jie Zhu "Optical limiting performances of PbS nano-particles at 532nm", Proc. SPIE 6029, ICO20: Materials and Nanostructures, 602909 (23 January 2006); https://doi.org/10.1117/12.667670

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