Nonlinear optical absorption and switching properties of gold nanoparticle doped SiO(2)-TiO(2) sol-gel films
IR@CGCRI: CSIR-Central Glass and Ceramic Research Institute, Kolkata
View Archive Info| Field | Value | |
| Title |
Nonlinear optical absorption and switching properties of gold nanoparticle doped SiO(2)-TiO(2) sol-gel films
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| Creator |
Venkatram, N
Kumar, R Sai Santosh Rao, D Narayana Medda, S K De, Sucheta De, Goutam |
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| Subject |
Engineering Materials
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| Description |
The nonlinear optical absorption and switching properties of sol-gel derived of Au nanoparticle doped SiO(2)-TiO(2) sol-gel films having different Au-surface plasmon absorption positions are reported in this paper. The Au nanoparticles are embedded in SiO(2) and SiO(2)-TiO(2) mixed glassy film matrices with different refractive index values. To study the nonlinear absorption properties, lasers with three different wavelengths are used. The optical switching behavior is studied by using the pump-probe technique with 532 nm as the excitation wavelength. Ground state conduction band, surface plasmon band, and the free carrier band are taken as three level model to explain theoretically the obtained RSA and SA behaviors.
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| Publisher |
American Scientific Publishers
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| Date |
2006-07
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| Type |
Article
PeerReviewed |
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| Format |
application/pdf
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| Identifier |
http://cgcri.csircentral.net/56/1/de.pdf
Venkatram, N and Kumar, R Sai Santosh and Rao, D Narayana and Medda, S K and De, Sucheta and De, Goutam (2006) Nonlinear optical absorption and switching properties of gold nanoparticle doped SiO(2)-TiO(2) sol-gel films. Journal of Nanoscience and Nanotechnology , 6 (7). 1990-1994 . ISSN 1533-4880 |
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| Relation |
http://cgcri.csircentral.net/56/
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