Search Results - "Alencar, Márcio A. R. C"

Using a random laser to measure the content of protein in skim milk by Dos Santos Araújo, Suely, Prado, Marcus V A, Abegão, Luis M G, Pagani, Alessandra A C, Rodrigues, José Joatan, Zílio, Sérgio C, Alencar, Márcio A R C

“…The luminescence of skim milk samples with distinct protein content doped with rhodamine B was investigated. The samples were excited by a nanosecond laser…”
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Pseudo-Stilbene- and Azobenzene-Type Systems for Optical Frequency Conversion: Estimating the First-Order Molecular Hyperpolarizability by Araújo, Raiane S., Rodrigues, José J., Alencar, Márcio A. R. C., Rafique, Jamal, Saba, Sumbal, Abegão, Luis M. G.

“…This study investigates the potential of a set of pseudo-stilbene and azobenzene molecular structures to become optical frequency converters for optical…”
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Red to Blue Tunable Upconversion in Tm3+-Doped ZrO2 Nanocrystals by Patra, Amitava, Ghosh, Pushpal, Chowdhury, Paramita Saha, Alencar, Márcio A. R. C, Lozano B, Whualkuer, Rakov, Nikifor, Maciel, Glauco S

“…The effect of dopant concentration on the blue upconversion (UPC) emission of Tm3+ -doped ZrO2 nanocrystals under different excitation wavelengths in the red…”
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Nonlinear Optical Study in a Set of Dibenzylideneacetone Derivatives with Potential for Optical Frequency Conversion by Santos, Francisco A., Abegão, Luis M. G., Fonseca, Ruben D., Alcântara, Aline M., Mendonça, Cleber R., Alencar, Márcio A. R. C., Valle, Marcelo S., Kamada, Kenji, De Boni, Leonardo, Rodrigues, José J.

“…The search for advanced optical materials, in particular, materials with nonlinear optical responses, has, in the last years, experienced substantial growth…”
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Investigating the Thermometric Performance of Inorganic Materials Doped with Nd3+ under Infrared LED Excitation: An Alternative for Deep Tissue Luminescent Thermometry by Laia, André S., Hora, Daniela A., Rezende, Marcos V. dos S., Gomes, Maria A., Brandão-Silva, Antônio C., Santos, Marcos A. C. dos, Dantas, Noelio O., Silva, Anielle C. A., Rodrigues, José J., Valerio, Mário E. G., Macedo, Zélia S., Alencar, Márcio A. R. C.

“…Luminescent thermometers based on the luminescence intensity ratio between two thermally coupled levels have a strong appeal in the biomedical area due to the…”
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Unveiling nonlinear optical behavior in benzophenone and benzophenone hydrazone derivatives by Araújo, Raiane S., Abegão, Luis M. G., Ribeiro, Carlos E., Rodrigues Jr, José J., Valle, Marcelo S., Alencar, Márcio A. R. C.

“…We systematically investigated the first-order molecular hyperpolarizability, a second-order nonlinear optical phenomenon of 185 organic compounds comprising…”
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Multiwavelength Fluorescence Intensity Ratio Nanothermometry: High Sensitivity over a Broad Temperature Range by Brandão-Silva, Antonio C, Gomes, Maria A, Macedo, Zélia S, Avila, Jhon F. M, Rodrigues, José J, Alencar, Márcio A. R. C

“…The use of multiple wavelength emissions of rare earth-doped nanomaterials was investigated for optical nanothermometry, based on a ratiometric technique. A…”
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Measuring milk fat content by random laser emission by Abegão, Luis M. G., Pagani, Alessandra A. C., Zílio, Sérgio C., Alencar, Márcio A. R. C., Rodrigues, José J.

“…The luminescence spectra of milk containing rhodamine 6G are shown to exhibit typical signatures of random lasing when excited with 532 nm laser pulses…”
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Femtosecond nonlinear optical properties of tellurite glasses by Souza, Rogério F., Alencar, Márcio A. R. C., Hickmann, Jandir M., Kobayashi, Renata, Kassab, Luciana R. P.

“…The third-order nonlinear optical properties of tellurite glasses with different compositions were investigated in the femtosecond regime at 810 nm . Using the…”
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Nonlocal Nonlinear Optical Response of Ionic Liquids under Violet Excitation by Dupont, Jairton, Alencar, Márcio A. R. C., Migowski, Pedro, Hickmann, Jandir M., Santos, Cássio E. A.

“…The nonlocal nonlinearity under violet excitation of ionic liquids was investigated using the Z-scan technique. The bis(trifluoromethylsulfonyl)imide (Tf2N−)…”
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Chalcone-based molecules: Experimental and theoretical studies on the two-photon absorption and molecular first hyperpolarizability by Abegão, Luis M.G., Santos, Francisco A., Fonseca, Ruben D., Barreiros, André L.B.S., Barreiros, Marizeth L., Alves, Péricles B., Costa, Emmanoel V., Souza, Gabriella B., Alencar, Márcio A.R.C., Mendonça, Cleber R., Kamada, Kenji, De Boni, Leonardo, Rodrigues, José Joatan

“…Five chalcone-based molecules denominated by C-3 ((E)-1-(4-methoxyphenyl)-3-phenylprop-2-en-1-one), C-4 ((E)-1,3-bis(4-methoxyphenyl)prop-2-en-1-one), C-5…”
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Nonlinear optical properties of Au nanoparticles colloidal system:Local and nonlocal responses by Souza, Rogério F., Alencar, Márcio A. R. C., da Silva, Eid C., Meneghetti, Mario R., Hickmann, Jandir M.

“…Z -scan revealed thermal and electronic contributions for the nonlinear refractive index of highly stable colloid containing different concentrations of gold…”
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Near infrared nonlinear refractive index dispersion of metallic and semiconducting single-wall carbon nanotube colloids by Brandão-Silva, Antonio C., Lima, Rogério M.A., Fantini, Cristiano, Jesus-Silva, Alcenísio, Alencar, Márcio A.R.C., Hickmann, Jandir M., Jain, Rishabh M., Strano, Michael S., Fonseca, Eduardo J.S.

“…Third-order nonlinear optical properties of different colloidal systems containing metallic and semiconducting enriched single wall carbon nanotubes have been…”
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Large nonlocal nonlinear optical response of castor oil by Souza, Rogério F., Alencar, Márcio A.R.C., Meneghetti, Mario R., Hickmann, Jandir M.

“…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…”
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Investigating the Thermometric Performance of Inorganic Materials Doped with Nd[sup.3+] under Infrared LED Excitation: An Alternative for Deep Tissue Luminescent Thermometry by Laia, André S, Hora, Daniela A, Rezende, Marcos V. dos S, Gomes, Maria A, Brandão-Silva, Antônio C, Santos, Marcos A. C. dos, Dantas, Noelio O, Silva, Anielle C. A, Rodrigues, José J, Valerio, Mário E. G, Macedo, Zélia S, Alencar, Márcio A. R. C

“…Luminescent thermometers based on the luminescence intensity ratio between two thermally coupled levels have a strong appeal in the biomedical area due to the…”
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Third-order nonlinear optical responses of colloidal Ag nanoparticles dispersed in BMIBF_4 ionic liquid by Corrêa, Nivea F., Santos, Cássio E. A., Valadão, Daniela R. B., de Oliveira, Luciane F., Dupont, Jairton, Alencar, Márcio A. R. C., Hickmann, Jandir M.

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Nd3+-doped LiBaPO4 phosphors for optical temperature sensing within the first biological window: A new strategy to increase the sensitivity by Laia, André S., Hora, Daniela A., dos S. Rezende, Marcos V., Xing, Yutao, Rodrigues, José J., Maciel, Glauco S., Alencar, Márcio A.R.C.

“…•The luminescent thermometry of Nd3+ doped LiBaPO4 microcrystals were investigated.•Efficient thermal probes were obtained using the FIR method.•The population…”
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Comparing the performance of Nd3+-doped LiBaPO4 phosphors as optical temperature sensors within the first biological window exploiting luminescence intensity ratio and bandwidth methods by Laia, André Scheidegger, Hora, Daniela A., dos S. Rezende, Marcos V., Xing, Yutao, Rodrigues, José Joatan, Maciel, Glauco S., Alencar, Márcio A.R. C.

“…Neodymium doped LiBaPO4 phosphors were studied as luminescent thermometers for operation within the first biological window (BW I). Thermal sensing by…”
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Erratum: "Femtosecond nonlinear optical properties of tellurite glasses" [ Appl. Phys. Lett. 89 , 171917 ( 2006 )] by Souza, Rogério F., Alencar, Márcio A. R. C., Hickmann, Jandir M., Kobayashi, Renata, Kassab, Luciana R. P.

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Influence of Au on the nucleation of Ag nanoparticles in GeO2-PbO glasses and characterization of their ultrafast third-order nonlinear responses within the plasmon resonance region by Misoguti, Lino, Mattos, Guilherme Rodrigues da Silva, Kassab, Luciana R.P., Rodrigues Jr, José Joatan, Alencar, Márcio A.R.C.

“…Germanate (GeO2-PbO) glasses doped with AgNO3 and co-doped with AgNO3 and Au2O3 were synthesized via melting-quenching technique. Silver nanoparticles were…”
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