Zobrazeno 1 - 10
of 63
pro vyhledávání: '"Jose A. Garcia Souto"'
Autor:
Manuella C. de Oliveira, Felipe O. Barino, Nelson A. Cevidanes, Thales A. Curty, Ulysses R. C. Vitor, Jose A. Garcia Souto, Pablo Acedo, Diogo Coelho, Alexandre B. dos Santos
Publikováno v:
Journal of Microwaves, Optoelectronics and Electromagnetic Applications, Vol 23, Iss 3 (2024)
Abstract This work presents the development of a refractive index sensing methodology for measuring carbon dioxide concentrations, considering the effect of temperature environment. We propose and demonstrate, using simulations, the use of tapered an
Externí odkaz:
https://doaj.org/article/520f7285ecce444cbefaa708ec9b3443
Publikováno v:
Sensors, Vol 22, Iss 9, p 3561 (2022)
Dual-comb multiheterodyne spectroscopy is a well-established technology for the highly sensitive real-time detection and measurement of the optical spectra of samples, including gases and fiber sensors. However, a common drawback of dual-comb spectro
Externí odkaz:
https://doaj.org/article/df787833417d422286429f4464b9c685
Publikováno v:
Sensors, Vol 21, Iss 12, p 3967 (2021)
The broad-frequency response and nanometer-range displacements of ultrasound detection are essential for the characterization of small cracks, structural health monitoring and non-destructive evaluation. Those perturbations are generated at sub-nano-
Externí odkaz:
https://doaj.org/article/8a9ecbc84bda4860b2f69b2f05aeb80b
Publikováno v:
Sensors, Vol 19, Iss 13, p 2890 (2019)
A sensitive optical microphone for photoacoustic spectroscopy based on the common path topology of a fibre laser Doppler vibrometer (FLDV) using phase-generated carrier demodulation and a slim diaphragm as an acoustic wave transducer was demonstrated
Externí odkaz:
https://doaj.org/article/b90d660e8a084e59b0b0e8b4dc5f341e
Publikováno v:
Sensors, Vol 12, Iss 4, Pp 4793-4802 (2012)
A fiber optic interferometric sensor with an intrinsic transducer along a length of the fiber is presented for ultrasound measurements of the acoustic emission from partial discharges inside oil-filled power apparatus. The sensor is designed for high
Externí odkaz:
https://doaj.org/article/b40967f058d44f978300417a82fcb0a7
Publikováno v:
Sensors
Volume 21
Issue 12
Sensors, Vol 21, Iss 3967, p 3967 (2021)
Sensors (Basel, Switzerland)
e-Archivo. Repositorio Institucional de la Universidad Carlos III de Madrid
instname
Volume 21
Issue 12
Sensors, Vol 21, Iss 3967, p 3967 (2021)
Sensors (Basel, Switzerland)
e-Archivo. Repositorio Institucional de la Universidad Carlos III de Madrid
instname
The broad-frequency response and nanometer-range displacements of ultrasound detection are essential for the characterization of small cracks, structural health monitoring and non-destructive evaluation. Those perturbations are generated at sub-nano-
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8f612292f131aef58b10220a983b5dd2
Publikováno v:
Conference on Lasers and Electro-Optics.
In this work, we present a system for performing spectroscopy measurements using a multimode multiheterodyne source generated with a dual-drive Mach Zehnder modulator and direct modulation over the seed laser. The system has been used to recover an a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e0d6ab1fd853cf09746320ddfce09b1d
https://doi.org/10.1364/cleo_at.2021.am3e.5
https://doi.org/10.1364/cleo_at.2021.am3e.5
Publikováno v:
Optical Fiber Sensors Conference 2020 Special Edition.
In this paper an all-fiber compact fiber Bragg grating (FBG) interrogation system is presented. Instead of using the absorption profile of the FBG sensor to obtain the Bragg wavelength, we propose the readout of the FBG dispersion profile. The interr
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b3c3c88351bb429dee3c403b7885d872
https://doi.org/10.1364/ofs.2020.f1.2
https://doi.org/10.1364/ofs.2020.f1.2
Publikováno v:
Optical Fiber Sensors Conference 2020 Special Edition.
In this work we propose a demodulation and readout scheme for random fiber grating with acousto-optic self-heterodyne comb. The system reads amplitude modulation encoded strain perturbations of random fiber grating.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b2882163811c3cd21b5219666706eeb5
https://doi.org/10.1364/ofs.2020.w4.98
https://doi.org/10.1364/ofs.2020.w4.98
Publikováno v:
Sensors, Vol 16, Iss 12, p 2007 (2016)
Optical frequency combs (OFC) generated by electro-optic modulation of continuous-wave lasers provide broadband coherent sources with high power per line and independent control of line spacing and the number of lines. In addition to their applicatio
Externí odkaz:
https://doaj.org/article/27847693684e4d889bc312972aa2c2b9