Zobrazeno 1 - 7
of 7
pro vyhledávání: '"Rogério F. Souza"'
Publikováno v:
Optical Materials. 31:1591-1594
The nonlocal nonlinearity of castor oil was investigated using the Z-scan technique in the CW regime at 514 nm and in femtosecond regime at 810 nm. Large negative nonlinear refractive indexes of thermal origin, thermo-optical coefficients and degree
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8af16b4c7ff6dab177d45df320477ed8
https://doi.org/10.1016/j.optmat.2009.03.006
https://doi.org/10.1016/j.optmat.2009.03.006
Autor:
Eid C. da Silva, Mario R. Meneghetti, Jandir M. Hickmann, Rogério F. Souza, Márcio A. R. C. Alencar
Publikováno v:
Integrated Photonics and Nanophotonics Research and Applications.
The influence of gold nanoparticles on the thermo-optical and electronic optical properties of a highly stable biocompatible colloid was investigated. The results indicate that local and nonlocal optical properties can be engineered in nanostructured
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::19ea3c9154b3833dd2e8cea0ea1a24b5
https://doi.org/10.1364/ipnra.2008.imf6
https://doi.org/10.1364/ipnra.2008.imf6
Autor:
Monique G. A. da Silva, César M. Nascimento, Márcio A. R. C. Alencar, Jandir M. Hickmann, Mario R. Meneghetti, Rogério F. Souza
Publikováno v:
SPIE Proceedings.
We report on the observation of a large thermal nonlinearity of an organic material enhanced by the presence of gold nanoparticles. The studied system consisted of a colloid of castor oil and gold particles with average diameter of 10 nm, with fillin
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::dc0b01de41c04837bd797e4b2e8cd07e
https://doi.org/10.1117/12.680072
https://doi.org/10.1117/12.680072
Autor:
Márcio A. R. C. Alencar, Mario R. Meneghetti, Rogério F. Souza, Eid C. da Silva, Jandir M. Hickmann
Publikováno v:
Applied Physics Letters. 92:201902
Z-scan revealed thermal and electronic contributions for the nonlinear refractive index of highly stable colloid containing different concentrations of gold nanoparticles. Large enhancement factors were observed for values of n2 and dn∕dT of the co
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c13397941047aa0be033c8e7054c6c2f
https://doi.org/10.1063/1.2929385
https://doi.org/10.1063/1.2929385
Autor:
Jandir M. Hickmann, Mario R. Meneghetti, Jairton Dupont, Márcio A. R. C. Alencar, Rogério F. Souza
Publikováno v:
Journal of Physics: Condensed Matter. 20:155102
The nonlinear optical properties of two ionic liquids, 1-n-butyl-3-methylimidazolium tetrafluoroborate ([BMI]BF4) and 1-n-butyl-3-methylimidazolium hexafluorophosphate ([BMI]PF6), have been investigated using the Z-scan technique. These compounds are
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6358d214016c64543b01fe752a24091a
https://doi.org/10.1088/0953-8984/20/15/155102
https://doi.org/10.1088/0953-8984/20/15/155102
Autor:
Márcio A. R. C. Alencar, Jandir M. Hickmann, Luciana R. P. Kassab, Renata Kobayashi, Rogério F. Souza
Publikováno v:
Applied Physics Letters. 90:089901
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::160209f4eab3e97bc311872c5a576352
https://doi.org/10.1063/1.2435961
https://doi.org/10.1063/1.2435961
Autor:
Márcio A. R. C. Alencar, Jandir M. Hickmann, Rogério F. Souza, Renata Kobayashi, Luciana R. P. Kassab
Publikováno v:
Applied Physics Letters. 89:171917
The third-order nonlinear optical properties of tellurite glasses with different compositions were investigated in the femtosecond regime at 810nm. Using the I-scan technique, positive nonlinear refractive indices of ∼10−15cm2∕W were measured.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e294e00cb7065d7507c1569c5536f91a
https://doi.org/10.1063/1.2364467
https://doi.org/10.1063/1.2364467