Third Order Optical Nonlinearity of Colloidal Metal Nanoclusters Formed by MeV Ion Implantation

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Description

We report the results of characterization of nonlinear refractive index of the composite material produced by MeV Ag ion implantation of LiNbO{sub 3} crystal (z-cut). The material after implantation exhibited a linear optical absorption spectrum with the surface plasmon peak near 430 nm attributed to the colloidal silver nanoclusters. Heat treatment of the material at 500 deg C caused a shift of the absorption peak to 550 nm. The nonlinear refractive index of the sample after heat treatment was measured in the region of the absorption peak with the Z-scan technique using a tunable picosecond laser source (4.5 ps pulse ... continued below

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17 p.

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Sarkisov, S.S., Williams, E., Curley, Ila, D., Venkateswarlu, P. October 1, 1997.

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Description

We report the results of characterization of nonlinear refractive index of the composite material produced by MeV Ag ion implantation of LiNbO{sub 3} crystal (z-cut). The material after implantation exhibited a linear optical absorption spectrum with the surface plasmon peak near 430 nm attributed to the colloidal silver nanoclusters. Heat treatment of the material at 500 deg C caused a shift of the absorption peak to 550 nm. The nonlinear refractive index of the sample after heat treatment was measured in the region of the absorption peak with the Z-scan technique using a tunable picosecond laser source (4.5 ps pulse width).The experimental data were compared against the reference sample made of MeV Cu implanted silica with the absorption peak in the same region. The nonlinear index of the Ag implanted LiNbO{sub 3} sample produced at five times less fluence is on average two times greater than that of the reference.

Physical Description

17 p.

Notes

OSTI as DE98000686

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  • 9. international conference on radiation effects in insulators (REI-9), Knoxville, TN (United States), 14-19 Sep 1997; Other Information: DN: [540 369900]

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  • Other: DE98000686
  • Report No.: ORNL/CP--94849
  • Report No.: CONF-9709116--
  • Grant Number: AC05-96OR22464
  • Office of Scientific & Technical Information Report Number: 655246
  • Archival Resource Key: ark:/67531/metadc709194

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Office of Scientific & Technical Information Technical Reports

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  • October 1, 1997

Added to The UNT Digital Library

  • Sept. 12, 2015, 6:31 a.m.

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  • Aug. 8, 2016, 8:54 p.m.

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Sarkisov, S.S., Williams, E., Curley, Ila, D., Venkateswarlu, P. Third Order Optical Nonlinearity of Colloidal Metal Nanoclusters Formed by MeV Ion Implantation, report, October 1, 1997; Tennessee. (digital.library.unt.edu/ark:/67531/metadc709194/: accessed October 15, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.