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Chinese Optics Letters

Chinese Optics Letters


  • Vol. 3, Iss. S1 — Aug. 28, 2005
  • pp: S248–S250

Optical nonlinearities and optical limiting properties of PbS semiconductor nano-belts

Bei Cao, Yundong Zhang, Honggang Zhang, and Junjie Zhu  »View Author Affiliations

Chinese Optics Letters, Vol. 3, Issue S1, pp. S248-S250 (2005)

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The third-order nonlinearities of PbS nano-belts have been investigated using the Z-scan technique with nanosecond laser pulses at 532 nm. The effect of the PbS semiconductor nano-belt size on the third-order optical nonlinearities and optical limiting properties was studied. We found that the nonlinear absorption and nonlinear refraction have not strict dependence on the nano-belt size under our investigated condition, but their optical limiting behavior is different. The optical limiting mechanism of materials is discussed.

© 2005 Chinese Optics Letters

OCIS Codes
(190.3970) Nonlinear optics : Microparticle nonlinear optics
(190.4400) Nonlinear optics : Nonlinear optics, materials
(190.5970) Nonlinear optics : Semiconductor nonlinear optics including MQW

Bei Cao, Yundong Zhang, Honggang Zhang, and Junjie Zhu, "Optical nonlinearities and optical limiting properties of PbS semiconductor nano-belts," Chin. Opt. Lett. 3, S248-S250 (2005)

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