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Listar por autor "Min, Rui"

Mostrando ítems 1-17 de 17

Adhesive assisted fabrication of chirped POF Bragg grating

Min, Rui; Pereira, Luis; Paixao, Tiago; Woyessa, Getinet; André, Paulo; Bang, Ole; Frizera, Anselmo; Antunes, Paulo; Pinto, Joao; Li, Zhaohui; Ortega Tamarit, Beatriz; Marques, Carlos (SPIE, 2020-04-10)

[EN] FBG in polymer optical fibers (POFs) is a promising technology for a wide range of sensing applications due to a lower Young¿s modulus and a large range of applying strain. Furthermore, POFs have several properties ...
Bragg Grating Inscription With Low Pulse Energy in Doped Microstructured Polymer Optical Fibers

Min, Rui; Ortega Tamarit, Beatriz; Nielsen, K.; Bang, Ole; Marques, Carlos (Institute of Electrical and Electronics Engineers (IEEE), 2018-05)

[EN] We demonstrate that fiber Bragg gratings (FBGs) can be written in a doped polymer optical fiber (POF) in a low ultraviolet (UV) pulse energy regime (60 ¿J/pulse) using a 248-nm krypton fluoride excimer laser system. ...
Bragg Gratings Inscribed in Solid-Core Microstructured Single-Mode Polymer Optical Fiber Drawn From a 3D-Printed Polycarbonate Preform

Zubel, Michal G.; Fasano, Andrea; Woyessa, Getinet Taffesse; Min, Rui; Leal-Junior, Arnaldo Gomes; Theodosiou, Antreas; Marques, Carlos A. F.; Rasmussen, Henrik K.; Bang, Ole; Ortega Tamarit, Beatriz; Kalli, Kyriacos; Frizera-Neto, Anselmo; Pontes, Maria Jose; Sugden, Kate (Institute of Electrical and Electronics Engineers, 2020-11-01)

[EN] This paper reports the first microstructured solid-core fiber drawn from a 3D-printed preform and the first fiber Bragg gratings inscribed in a fiber of this type. The presented fiber is made of polycarbonate and ...
Bragg Gratings Inscription in TS-Doped PMMA POF by Using 248-nm KrF Pulses

Min, Rui; Ortega Tamarit, Beatriz; Hu, Xuehao; Broadway, Christian; Caucheteur, Christophe; Pun, Chi-Fung Jeff; Tam, Hwa-Yaw; Antunes, Paulo; Marques, Carlos (Institute of Electrical and Electronics Engineers, 2018-09-15)

[EN] We demonstrate the Bragg gratings inscription in the 850-nm spectral region by using trans-4-stilbenemethanol-doped poly methyl methacrylate step-index optical fiber and a 248-nm krypton fluoride (KrF) excimer laser ...
Chirped POF Bragg grating production utilizing UV cure adhesive coating for multiparameter sensing

Min, Rui; Pereira, Luis; Paixao, Tiago; Woyessa, Getinet; Hu, Xuehao; Antunes, Paulo; André, Paulo; Bang, Ole; Pinto, João; Ortega Tamarit, Beatriz; Marques, Carlos (Elsevier, 2021-09)

[EN] In this work, we obtained chirped Bragg gratings by post-coating uniform poly (methylmethacrylate) (PMMA) microstructured polymer optical fiber Bragg gratings (POFBGs) with an UV cure adhesive. The main advantage of ...
Fabrication of tunable chirped mPOF Bragg gratings using a uniform phase mask

Min, Rui; Ortega Tamarit, Beatriz; Marques, Carlos (The Optical Society, 2018-02-19)

[EN] We demonstrate chirped Bragg gratings fabrication in doped microstructured tapered polymer fibers by using a uniform phase mask. The use of high photosensitive benzyl dimethyl ketal (BDK) doped core fiber allows to ...
Fast and stable gratings inscription in POFs made of different materials with pulsed 248 nm KrF laser

Marques, Carlos; Min, Rui; Leal-Junior, A.; Antunes, Paulo; Fasano, A.; Woyessa, G.; Nielsen, Kristian; Rasmussen, H.K.; Ortega Tamarit, Beatriz; Bang, Ole (The Optical Society, 2018-01-22)

[EN] This paper presents fiber Bragg grating (FBG) inscription with a pulsed 248 nm UV KrF laser in polymer optical fibers (POFs) made of different polymers, namely polymethyl methacrylate (PMMA), cyclic-olefin polymer and ...
Fast inscription of long period gratings in microstructured polymer optical fibers

Min, Rui; Marques, Carlos; Nielsen, K.; Bang, Ole; Ortega Tamarit, Beatriz (Institute of Electrical and Electronics Engineers, 2018-03-01)

[EN] We demonstrate 20 dB long period grating (LPG) fast inscription in microstructured polymer optical fibers (mPOFs) using a point-by-point technique obtaining an LPG total length of 25 mm. Two 248 nm UV laser pulses of ...
Hot water-assisted fabrication of chirped polymer optical fiber Bragg gratings

Min, Rui; Ortega Tamarit, Beatriz; Broadway, Christian; Caucheteur, Christophe; Woyessa, G.; Bang, Ole; Antunes, Paulo; Marques, Carlos (The Optical Society, 2018-12-24)

[EN] We obtained chirped gratings by performing hot water gradient thermal annealing of uniform poly (methylmethacrylate) (PMMA) microstructured polymer optical fiber Bragg gratings (POFBGs). The proposed method's simplicity ...
Largely tunable dispersion chirped polymer FBG

Min, Rui; Korganbayev, Sanzhar; Molardi, Carlo; Broadway, Christian; Hu, Xuehao; Caucheteur, Christophe; Bang, Ole; Antunes, Paulo; Tosi, Daniele; Marques, Carlos; Ortega Tamarit, Beatriz (The Optical Society, 2018-10-15)

[EN] We demonstrate a largely tunable dispersion fiber Bragg grating (FBG) inscribed in a microstructured polymer optical fiber (mPOF). The bandwidth of the chirped FBG (CFBG) was achieved from 0.11 to 4.86 nm, which ...
Low-cost plastic optical fiber integrated with smartphone for human physiological monitoring

Kuang, Renfei; Ye, Yifan; Chen, Ziyan; He, Rungie; Savovic, Isadora; Djordjevic, Alexander; Savovic, Svetislav; Ortega Tamarit, Beatriz; Marques, Carlos; Li, Xiaoli; Min, Rui (Elsevier, 2022-07)

[EN] Human physiological signal monitoring is a key factor in diagnosing health conditions, such as monitoring heart rate and respiration. To meet the increasing monitoring requirements, such as safety, economy, and equipment ...
Low-cost plastic optical fiber sensor embedded in mattress for sleep performance monitoring

Han, Pengfei; Li, Linqing; Zhang, Hao; Guan, Longzhou; Marques, Carlos; Savovic, Svetislav; Ortega Tamarit, Beatriz; Min, Rui; Li, Xiaoli (Elsevier, 2021-07)

[EN] In this study, we investigated plastic optical fiber (POF) pressure sensors embedded in mattresses to measure respiration and heart rate for sleep performance monitoring. The signal is amplified in the circuit using ...
Microstructured PMMA POF chirped Bragg gratings for strain sensing

Min, Rui; Ortega Tamarit, Beatriz; Broadway, Christian; Hu, Xuehao; Caucheteur, Christophe; Bang, O.; Antunes, Paulo; Marques, Carlos (Elsevier, 2018-11)

[EN] We demonstrate a chirped microstructured polymer fiber Bragg grating based on taper technology for strain sensing application. The effective bandwidth of the grating is dependent on strain and remains practically ...
Moiré phase-shifted fiber Bragg gratings in polymer optical fibers

Min, Rui; Marques, Carlos; Bang, Ole; Ortega Tamarit, Beatriz (Elsevier, 2018-03)

[EN] We demonstrate a simple way to fabricate phase-shifted fiber Bragg grating in polymer optical fibers as a narrowband transmission filter for a variety of applications at telecom wavelengths. The filters have been ...
Polymer optical fiber Bragg grating inscription with a single Nd:YAG laser pulse

Pereira, Luis; Min, Rui; Hu, Xuehao; Caucheteur, Christophe; Bang, Ole; Ortega Tamarit, Beatriz; Marques, Carlos; Antunes, Paulo; Pinto, João L. (The Optical Society, 2018-07-09)

[EN] We experimentally demonstrate the first polymer optical fiber Bragg gratings inscribed with only one Nd: YAG laser (266 nm) pulse. The gratings have been inscribed in a single-mode poly (methyl methacrylate) optical ...
Polymer optical fiber gratings for microwave photonics and communications application

Min, Rui (Universitat Politècnica de València, 2019-09-02)

[ES] Con el continuo desarrollo de materiales y tecnologías de fabricación durante las últimas tres décadas, la atenuación de la transmisión de las fibras ópticas de polímero (POF) se ha reducido considerablemente. Las POF ...
Thermal profile detection through high-sensitivity fiber optic chirped Bragg grating on microstructured PMMA fiber

Korganbayev, Sanzhar; Min, Rui; Jelbuldina, Madina; Hu, Xuehao; Caucheteur, Christophe; Bang, Ole; Ortega Tamarit, Beatriz; Marques, Carlos; Tosi, Daniele (Institute of Electrical and Electronics Engineers, 2018-10-15)

[EN] In this work, a linearly chirped fiber Bragg grating (CFBG) inscribed in a microstructured polymer optical fiber (mPOF) has been demonstrated for detecting temperature pro- files during thermal treatments. A CFBG of ...