Zobrazeno 1 - 10
of 96
pro vyhledávání: '"L.C.G. Valente"'
Autor:
D. F. Soria, Daniel Ramos Louzada, Arthur M. B. Braga, L.C.G. Valente, Paula M. P. Gouvêa, C. Hall Barbosa
Publikováno v:
Anais do 10. Congresso Brasileiro de Inteligência Computacional.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1fc1dc3ec1b21c29834a5b95b6cd6173
https://doi.org/10.21528/cbic2011-09.4
https://doi.org/10.21528/cbic2011-09.4
Autor:
Carla C. Kato, L.C.G. Valente, Sully Milena Mejia Quintero, Arthur M. B. Braga, Cicero Martelli
Publikováno v:
Sensors, Vol 11, Iss 12, Pp 11103-11111 (2011)
Sensors (Basel, Switzerland)
Sensors; Volume 11; Issue 12; Pages: 11103-11111
Sensors (Basel, Switzerland)
Sensors; Volume 11; Issue 12; Pages: 11103-11111
A magnetic field sensor based on the integration of a high birefringence photonic crystal fiber and a composite material made of Terfenol particles and an epoxy resin is proposed. An in-fiber modal interferometer is assembled by evenly exciting both
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1367b67aa50be9f2fc48ca056c2491a3
http://www.mdpi.com/1424-8220/11/12/11103/
http://www.mdpi.com/1424-8220/11/12/11103/
Autor:
Marcos Sebastião de Paula Gomes, Bernardo Caroli de Souza, Sully Milena Mejia Quintero, Hugo Gomes da Silva, L.C.G. Valente, Sergio Ricardo Kokay Morikawa
Publikováno v:
Sensors, Vol 18, Iss 12, p 4393 (2018)
Sensors
Volume 18
Issue 12
Sensors
Volume 18
Issue 12
A realistic implementation of an all-fiber CO2 sensor, using 74 cm of hollow core photonic crystal fiber (HC-PCF) as the cavity for light/gas interaction, has been implemented. It is based on CO2 absorbance in the 2 µ
m region. The working
m region. The working
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ce21927a8f2287515c9a7b8a597f3dac
https://doi.org/10.3390/s18124393
https://doi.org/10.3390/s18124393
Autor:
Isabel C. S. Carvalho, L.C.G. Valente, Roberth W. A. Llerena, Cicero Martelli, Vinícius V. Silva, Sully Milena Mejia Quintero, F. C. Favero, Arthur M. B. Braga
Publikováno v:
Sensors (Basel, Switzerland)
Sensors
Volume 10
Issue 11
Pages: 9698-9711
Sensors, Vol 10, Iss 11, Pp 9698-9711 (2010)
Sensors
Volume 10
Issue 11
Pages: 9698-9711
Sensors, Vol 10, Iss 11, Pp 9698-9711 (2010)
The effect of hydrostatic pressure on the waveguiding properties of high birefringence photonic crystal fibers (HiBi PCF) is evaluated both numerically and experimentally. A fiber design presenting form birefringence induced by two enlarged holes in
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5d3e956145acdcd70e8d70ddddb4b9df
https://doi.org/10.3390/s101109698
https://doi.org/10.3390/s101109698
Publikováno v:
Sensors and Actuators A: Physical. 138:341-349
An analysis of the Bragg wavelength deviation generated by the TDM multiplexing of a large number of low reflective sensors at the same nominal wavelength using a single optical fiber has been proposed. In this paper, the demodulation technique based
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e81c5821b36d2cf71faccd4d00c6eb70
https://doi.org/10.1016/j.sna.2007.05.009
https://doi.org/10.1016/j.sna.2007.05.009
Autor:
M.C. Caspary, L.C.G. Valente, Antonio C. Bruno, Arthur M. B. Braga, H. R. Carvalho, A.L.C. Triques
Publikováno v:
Sensors and Actuators A: Physical. 135:141-145
We developed position sensors using optical fibers containing Bragg gratings and materials having giant magnetostriction to be used in remote locations. They consisted of one grating attached to a small piece of magnetostrictive material that is disp
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4755b8c2a278ba917372641e00279e82
https://doi.org/10.1016/j.sna.2006.06.054
https://doi.org/10.1016/j.sna.2006.06.054
Autor:
Hugo Gomes da Silva, Sully Milena Mejia Quintero, L.C.G. Valente, Felipe O. Furtado, Arthur M. B. Braga, Guilherme B. Patusco
Publikováno v:
SPIE Proceedings.
Optical fiber Bragg grating sensors (FBGs) were used to measure strain and the temperature field that develop during laser drilling of carbonate rock samples. The shear deformation and high temperature gradient measured are clearly correlated with tr
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6eeee4e73c784dee133add381e4aef6b
https://doi.org/10.1117/12.2194836
https://doi.org/10.1117/12.2194836
Autor:
Marco Cremona, A.L.C. Triques, Sully Milena Mejia Quintero, L.C.G. Valente, Carlos A. Achete, Arthur M. B. Braga, Welber G. Quirino
Publikováno v:
Thin Solid Films. 494:141-145
In this work, we present a new optical Fiber Bragg Grating (FBG) strain sensor which can be utilized to measure in situ the induced substrate strain caused by the film stress. The fiber optical sensor is interfaced to an analyzer to determine the wav
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8bde7a41820ca3f18378a7b7f8381c40
https://doi.org/10.1016/j.tsf.2005.08.215
https://doi.org/10.1016/j.tsf.2005.08.215
Publikováno v:
Optics and Lasers in Engineering. 42:529-542
The analysis of a demodulation system for Fiber Bragg Grating sensors based on two fixed spectral filters has been carried out both theoretically and experimentally. Different system configurations were analyzed by modifying the spectral position of
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4e03c6d617ec064979f368d1782e61d7
https://doi.org/10.1016/j.optlaseng.2004.02.003
https://doi.org/10.1016/j.optlaseng.2004.02.003
Autor:
R. Willsch, A.S. Ribeiro, L.C.G. Valente, W. Ecke, C. Chojetzki, R.D. Regazzi, Arthur Martins Barbosa Braga
Publikováno v:
IEEE Sensors Journal. 3:31-35
The use of a commercial optical time domain reflectometry device for simultaneous wavelength and time domain multiplexing of fiber-optic Bragg grating sensors is proposed and demonstrated. The realization of such systems provides an inexpensive way o
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::772201d759152b041095ca636de55a8d
https://doi.org/10.1109/jsen.2003.810106
https://doi.org/10.1109/jsen.2003.810106