Zobrazeno 1 - 10
of 180
pro vyhledávání: '"Marcia Muller"'
Autor:
Natália Soares Girão, Diogo Lugarini, Lúcia Valéria Ramos de Arruda, José Luís Fabris, Marcia Muller
Publikováno v:
Journal of Microwaves, Optoelectronics and Electromagnetic Applications, Vol 23, Iss 2 (2024)
Abstract This work proposes a new tactile sensing system for biometric authentication. The system operates based on the response of multiplexed optical fiber macro-bend sensors to plantar pressure. The setup contains a set of 6 in-series sensors inst
Externí odkaz:
https://doaj.org/article/2dfb4b3efb9048d38657df6ed4d04c54
Publikováno v:
Caderno Brasileiro de Ensino de Física, Vol 34, Iss 2, Pp 636-648 (2017)
This work shows a sensor system for educational experiments, composed of a USB camera and a software developed and provided by the authors. The sensor system is suitable for the purpose of studying phenomena related to the polarization of the light.
Externí odkaz:
https://doaj.org/article/2f9bc5a64df24cf9877cccb1b185b77a
Publikováno v:
Sensors, Vol 10, Iss 5, Pp 4761-4776 (2010)
In this paper, we report a study about the application of packaged fiber Bragg gratings used as strain sensors to monitor the stress kinetics during the drying process of commercial latex paints. Three stages of drying with distinct mechanical deform
Externí odkaz:
https://doaj.org/article/10ee929e2ea4424c9b9946035055d68f
Autor:
Rosane Falate, Karen Nike, Pedro Ramos da Costa Neto, Eduardo Cação Jr., Marcia Muller, Hypolito José Kalinowski, José Luís Fabris
Publikováno v:
Química Nova, Vol 30, Iss 7, Pp 1677-1680 (2007)
We report the use of an optical fiber sensor to measure the soybean oil concentration in samples obtained from the mixture of pure biodiesel and commercial soybean oil. The operation of the device is based on the long-period grating sensitivity to th
Externí odkaz:
https://doaj.org/article/e3fb1a04fc724afb9c9ca0705f0f8d40
Publikováno v:
Journal of Microwaves, Optoelectronics and Electromagnetic Applications, Vol 17, Iss 2, Pp 298-305
Abstract This work shows the experimental validation of a method developed for determining the strain profile applied to a fiber Bragg grating by solving the inverse scattering problem. The non-uniform strain profile is recovered by formulating an op
Externí odkaz:
https://doaj.org/article/4eca03b7cd9e41499dcd118340508f9c
Autor:
Francelli K. Coradin, Gustavo R. C. Possetti, Ricardo C. Kamikawachi, Marcia Muller, José L. Fabris
Publikováno v:
Journal of Microwaves, Optoelectronics and Electromagnetic Applications, Vol 9, Iss 2, Pp 131-143
In this work is evaluated the performance of etched fiber Bragg gratings, assembled in different configurations to operate as a refractometric sensor, in the analysis of water-ethanol mixtures. Two fiber Bragg gratings operating close to 1300 nm and
Externí odkaz:
https://doaj.org/article/386ac36408064ed49831258415dd4a9a
Effects of Birefringence on the Electromagnetic Guidance of Structures Produced by Femtosecond Laser
Autor:
Fernanda Mantuan Dala Rosa de Oliveira, Ismael Chiamenti, José Luís Fabris, Marcia Muller, Hypolito José Kalinowski
Publikováno v:
Journal of Microwaves, Optoelectronics and Electromagnetic Applications, Vol 17, Iss 2, Pp 217-228
Abstract Analysis of the state of polarization of light guided by structures recorded in lithium niobate and lithium fluoride crystals indicates that the recording method is determinant in the formation of birefringent structures. Each structure was
Externí odkaz:
https://doaj.org/article/703a4ebef9ad44f5a7d9db39bb335040
Autor:
Raquel de Paiva Corotti Jr, Juliana Thaler, Hypolito José Kalinowski, Marcia Muller, José Luís Fabris, Ricardo Canute Kamikawachi
Publikováno v:
Journal of Microwaves, Optoelectronics and Electromagnetic Applications, Vol 14, Iss 1, Pp 51-59
AbstractIn this work, a refractometric fiber sensor for the liquid fuels sector is described. The use of etched FBGs produced in multimode fibers is proposed to overcome the drawbacks associated with sensing high refractive index samples employing fi
Externí odkaz:
https://doaj.org/article/984fc40f23ad4a14a04144fa74711d06
Autor:
Marcia Muller
Publikováno v:
Biblioteca Digital de Teses e Dissertações da USPUniversidade de São PauloUSP.
O trabalho desta tese se concentra na caracterização óptica de cristais de KCl impurificados multiplamente com íons Yb2+ e com íons moleculares CN- e OCN-. Mostramos a existência de um acoplamento entre os íons Yb2+ e CN-, que gera novas banda
Autor:
Andressa Flores Santos, José Luís Fabris, Elberth Manfron Schiefer, Lucas Hermann Negri, Andréa E.M. Stinghen, Marcia Muller
Publikováno v:
IEEE Sensors Journal. 21:22651-22660
This work shows a colorimetric sensor based on albumin bound to citrate-capped silver nanoparticles. The sensor capability of detecting protein-bound uremic toxins, such as indoxyl sulfate and p-cresylsulfate, is demonstrated. These uremic toxins enh
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e0fc9c0c964a6c1f0f6ac55bb5c112d4
https://doi.org/10.1109/jsen.2021.3109567
https://doi.org/10.1109/jsen.2021.3109567