Surface-enhanced optical nonlinearity of a gold film

P. Wang; Y. Lu; L. Tang; J. Zhang; H. Ming; J. Xie; F.-H. Ho; H.-H. Chang; H.-Y. Lin; Din-ping Tsai

doi:10.1016/j.optcom.2003.11.002

Surface-enhanced optical nonlinearity of a gold film

P. Wang, Y. Lu, L. Tang, J. Zhang, H. Ming, J. Xie, F.-H. Ho, H.-H. Chang, H.-Y. Lin, Din-ping Tsai

Research output: Journal article publication › Journal article › Academic research › peer-review

36 Citations (Scopus)

Abstract

The enhancement of optical nonlinearities in a gold film with random roughness were measured by Z-scan technique with 0.71 ns, 532 nm laser pulses. The values of the nonlinear absorption coefficient ? and nonlinear refractive index coefficient ? were obtained through open- and close-aperture Z-scan, ? = -1.3 × 10-5 m/W, ? = 1. 32 × 10-12 m2/W, correspondingly, the imaginary part ?(3)Im and the real part ?(3) Re of the third-order nonlinear susceptibility ?(3) were obtained, respectively. The thermal effect and the enhancement of optical nonlinearities due to the surface plasmon resonance in metal film were discussed. © 2003 Elsevier B.V. All rights reserved.

Original language	English
Pages (from-to)	425-429
Number of pages	5
Journal	Optics Communications
Volume	229
Issue number	1-6
DOIs	https://doi.org/10.1016/j.optcom.2003.11.002
Publication status	Published - 2 Jan 2004
Externally published	Yes

Keywords

Optical nonlinearity
Surface plasmon resonance
Z-scan

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Atomic and Molecular Physics, and Optics
Physical and Theoretical Chemistry
Electrical and Electronic Engineering

More information

10.1016/j.optcom.2003.11.002

Scopus Link

Cite this

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title = "Surface-enhanced optical nonlinearity of a gold film",

abstract = "The enhancement of optical nonlinearities in a gold film with random roughness were measured by Z-scan technique with 0.71 ns, 532 nm laser pulses. The values of the nonlinear absorption coefficient ? and nonlinear refractive index coefficient ? were obtained through open- and close-aperture Z-scan, ? = -1.3 × 10-5 m/W, ? = 1. 32 × 10-12 m2/W, correspondingly, the imaginary part ?(3)Im and the real part ?(3) Re of the third-order nonlinear susceptibility ?(3) were obtained, respectively. The thermal effect and the enhancement of optical nonlinearities due to the surface plasmon resonance in metal film were discussed. {\textcopyright} 2003 Elsevier B.V. All rights reserved.",

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T1 - Surface-enhanced optical nonlinearity of a gold film

AU - Wang, P.

AU - Lu, Y.

AU - Tang, L.

AU - Zhang, J.

AU - Ming, H.

AU - Xie, J.

AU - Ho, F.-H.

AU - Chang, H.-H.

AU - Lin, H.-Y.

AU - Tsai, Din-ping

PY - 2004/1/2

Y1 - 2004/1/2

N2 - The enhancement of optical nonlinearities in a gold film with random roughness were measured by Z-scan technique with 0.71 ns, 532 nm laser pulses. The values of the nonlinear absorption coefficient ? and nonlinear refractive index coefficient ? were obtained through open- and close-aperture Z-scan, ? = -1.3 × 10-5 m/W, ? = 1. 32 × 10-12 m2/W, correspondingly, the imaginary part ?(3)Im and the real part ?(3) Re of the third-order nonlinear susceptibility ?(3) were obtained, respectively. The thermal effect and the enhancement of optical nonlinearities due to the surface plasmon resonance in metal film were discussed. © 2003 Elsevier B.V. All rights reserved.

AB - The enhancement of optical nonlinearities in a gold film with random roughness were measured by Z-scan technique with 0.71 ns, 532 nm laser pulses. The values of the nonlinear absorption coefficient ? and nonlinear refractive index coefficient ? were obtained through open- and close-aperture Z-scan, ? = -1.3 × 10-5 m/W, ? = 1. 32 × 10-12 m2/W, correspondingly, the imaginary part ?(3)Im and the real part ?(3) Re of the third-order nonlinear susceptibility ?(3) were obtained, respectively. The thermal effect and the enhancement of optical nonlinearities due to the surface plasmon resonance in metal film were discussed. © 2003 Elsevier B.V. All rights reserved.

KW - Optical nonlinearity

KW - Surface plasmon resonance

KW - Z-scan

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U2 - 10.1016/j.optcom.2003.11.002

DO - 10.1016/j.optcom.2003.11.002

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JO - Optics Communications

JF - Optics Communications

SN - 0030-4018

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