Zobrazeno 1 - 10
of 55
pro vyhledávání: '"M. Fátima Domingues"'
Publikováno v:
Sensors, Vol 21, Iss 22, p 7737 (2021)
Developing technologies capable of constantly assessing and optimizing day-to-day activities has been a research priority for several years. A key factor in such technologies is the use of highly sensitive sensors to monitor in real-time numerous par
Externí odkaz:
https://doaj.org/article/b3d01ab971324da4b9cdf10c20c4477d
Publikováno v:
Photonics, Vol 8, Iss 9, p 389 (2021)
The collection of papers presented in this Special Issue (SI) portraits the state-of-the-art of photonic-based interferometric sensors, where new application areas were explored (such as spirometry) and novel sensitivity limits were achieved, using i
Externí odkaz:
https://doaj.org/article/2bf6768937c54b24a35387310b4647ef
Autor:
Ana Catarina Nepomuceno, Tiago Paixão, Nélia Alberto, Paulo Sérgio de Brito André, Paulo Antunes, M. Fátima Domingues
Publikováno v:
Photonics, Vol 8, Iss 8, p 336 (2021)
Spirometry enables the diagnosis and monitoring of multiple respiratory diseases, such as asthma and chronic obstructive pulmonary disease (COPD). In this paper, we present an optical fiber-based device to evaluate the pulmonary capacity of individua
Externí odkaz:
https://doaj.org/article/993350b079144bf78b1a68cfdd229054
Publikováno v:
Sensors, Vol 20, Iss 1, p 212 (2019)
In this work, a fiber Bragg grating (FBG) based sensing system for wheelchair pressure ulcer prevention was developed. Six FBGs were strategically positioned in a wheelchair to monitor the more prominent bone areas, namely scapulas (right (SR) and le
Externí odkaz:
https://doaj.org/article/0dd0f011e5c843e8995d2dd381fa1469
Publikováno v:
Sensors, Vol 19, Iss 21, p 4744 (2019)
Fabry−Perot interferometric (FPI) sensors are an accurate and well-established sensing technology that are used to monitor a wide range of parameters such as strain, temperature, and refractive index, among many others. Nevertheless, due to the lim
Externí odkaz:
https://doaj.org/article/98687b8524464eeeb4417ee88ec7388a
Autor:
Cátia Tavares, M. Fátima Domingues, Anselmo Frizera-Neto, Tiago Leite, Cátia Leitão, Nélia Alberto, Carlos Marques, Ayman Radwan, Eduardo Rocon, Paulo André, Paulo Antunes
Publikováno v:
Sensors, Vol 18, Iss 5, p 1334 (2018)
In an era of unprecedented progress in sensing technology and communication, health services are now able to closely monitor patients and elderly citizens without jeopardizing their daily routines through health applications on their mobile devices i
Externí odkaz:
https://doaj.org/article/3e935d559ad44e8b9daa8c17928fb021
Autor:
Camilo A. R. Díaz, Cátia Leitão, Carlos A. Marques, M. Fátima Domingues, Nélia Alberto, Maria José Pontes, Anselmo Frizera, Moisés R. N. Ribeiro, Paulo S. B. André, Paulo F. C. Antunes
Publikováno v:
Sensors, Vol 17, Iss 10, p 2414 (2017)
Fiber Bragg gratings are widely used optical fiber sensors for measuring temperature and/or mechanical strain. Nevertheless, the high cost of the interrogation systems is the most important drawback for their large commercial application. In this wor
Externí odkaz:
https://doaj.org/article/d83d36e4e9b7425f952f08f488a8f60c
Autor:
Tiago Paixão, Paulo Antunes, Ricardo Oliveira, Guilherme Lopes, M. Fátima Domingues, Ricardo B. Ferreira
Publikováno v:
IEEE Photonics Technology Letters. 33:1061-1064
We report on a simple and cost-effective sensing scheme for humidity and temperature sensing, based on the generation of optical Vernier effect using two different fiber optic Fabry-Perot interferometers (FFPIs). By using an insensitive reference FFP
Autor:
Hao Ran Chi, Cátia Tavares, M. Fátima Domingues, Paulo Antunes, Ayman Radwan, Nélia Alberto, Ana Catarina Nepomuceno, Paulo André
Publikováno v:
IEEE Wireless Communications. 28:28-35
With the current sedentary lifestyle we are living, along with an aging population, there is a noticeable rise in the number of impaired and physically debilitated citizens. Such debilitations require new solutions to aid in the rehabilitation proces
Autor:
Ana Catarina Nepomuceno, Nélia Alberto, Paulo S. André, Ayman Radwan, Paulo Antunes, M. Fátima Domingues
Publikováno v:
Optical Sensing and Detection VII.