Search Results - "André, Ricardo M"

Simultaneous measurement of temperature and refractive index using focused ion beam milled Fabry-Perot cavities in optical fiber micro-tips by André, Ricardo M, Warren-Smith, Stephen C, Becker, Martin, Dellith, Jan, Rothhardt, Manfred, Zibaii, M I, Latifi, H, Marques, Manuel B, Bartelt, Hartmut, Frazão, Orlando

“…Optical fiber micro-tips are promising devices for sensing applications in small volume and difficult to access locations, such as biological and biomedical…”
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Sensing with ultra-short Fabry-Perot cavities written into optical micro-fibers by Warren-Smith, Stephen C., André, Ricardo M., Dellith, Jan, Eschrich, Tina, Becker, Martin, Bartelt, Hartmut

“…•Optical micro-fiber Fabry-Perot cavities as short as 2.8μm fabricated using focused ion beam milling.•Broadband visible wavelength interrogation allows for…”
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Direct core structuring of microstructured optical fibers using focused ion beam milling by Warren-Smith, Stephen C, André, Ricardo M, Perrella, Christopher, Dellith, Jan, Bartelt, Hartmut

“…We demonstrate the use of focused ion beam milling to machine optical structures directly into the core of microstructured optical fibers. The particular fiber…”
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Fiber Loop Mirror Using a Small Core Microstructured Fiber for Strain and Temperature Discrimination by André, Ricardo M, Marques, Manuel B, Roy, Philippe, Frazao, Orlando

“…In this work, a fiber loop mirror for the simultaneous measurement of strain and temperature is presented. The loop mirror contains a section of a small core…”
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Focused ion beam post-processing of optical fiber Fabry-Perot cavities for sensing applications by André, Ricardo M, Pevec, Simon, Becker, Martin, Dellith, Jan, Rothhardt, Manfred, Marques, Manuel B, Donlagic, Denis, Bartelt, Hartmut, Frazão, Orlando

“…Focused ion beam technology is combined with chemical etching of specifically designed fibers to create Fabry-Perot interferometers. Hydrofluoric acid is used…”
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Combined microfiber knot resonator and focused ion beam-milled Mach-Zehnder interferometer for refractive index measurement by Gomes, Andre D., Andre, Ricardo M., Warren-Smith, Stephen C., Dellith, Jan, Becker, Martin, Rothhardt, Manfred, Frazao, Orlando

“…A Mach-Zehnder interferometer was created from a cavity milled in the taper region next to a microfiber knot resonator. A focused ion beam was used to mill the…”
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Strain sensitivity enhancement in suspended core fiber tapers by André, Ricardo M., Silva, Susana O., Becker, Martin, Schuster, Kay, Rothardt, M., Bartelt, H., Marques, Manuel B., Frazão, Orlando

“…Suspended core fiber tapers with different cross sections (with diameters from 70 μm to 120 μm) are produced by filament heating. Before obtaining the taper,…”
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109. Registo clínico eletrónico numa clínica dentária universitária – perceção dos estudantes by Clemente, Luís Guilherme C., Carvalho Costa, Rita, Martins, David Miguel, Veiga, Nélio Jorge, Marques, Tiago Miguel, Correia, André Ricardo M.

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Strain-Temperature Discrimination Using Multimode Interference in Tapered Fiber by Andre, R. M., Biazoli, C. R., Silva, S. O., Marques, M. B., Cordeiro, C. M. B., Frazao, O.

“…Tapering single-mode-multimode-single-mode structures to enhance sensitivity is proposed and experimentally demonstrated. 50-mm-long coreless multimode fiber…”
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Malnutrition and Depression among Community-dwelling Elderly People by Cabrera, Marcos Aparecido Sarria, PhD, Mesas, Arthur Eumann, MS, Garcia, André Ricardo Lopes, MD, de Andrade, Selma Maffei, PhD

“…Objectives This study had the objective of analyzing the association between nutritional deficit and the presence of depression among community-dwelling…”
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Health care–associated infection and hospital readmission in a home care service for children by Araujo da Silva, André Ricardo, MD, PhD, de Souza, Cristina Vieira, RN, Viana, Mario Eduardo, MD, PhD, Sargentelli, Guilherme, MD, de Andrada Serpa, Maria José, MD, PhD, Gomes, Marisa Zenaide Ribeiro, MD, PhD

“…The number of children in home health care services is increasing, and there is a need for infection control regulation in this environment. We describe the…”
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