Results 41 to 50 of about 58,600 (289)

Azobenzene-based gel coated fibre Bragg grating sensor for moisture measurement [PDF]

, 2016
A fibre Bragg grating sensor is coated with a novel polymer gel in order to investigate its suitability for nondestructive measurement of moisture in materials that can potentially lose their integrity due to moisture ingress.
Moniruzzaman, Mohammed, Rock, John
core   +3 more sources

Magnetically programmable fibre Bragg gratings

Electronics Letters, 1998
An attractive force between magnetic poles was utilised to produce significant wavelength shifts in fibre Bragg gratings. Programmable magnets were used to controllably strain and shift the wavelength of the grating by more than 15 nm. The wavelength tuning is fast and the device requires no power to maintain the shifted wavelengths.
S. Jin, R.P. Espindola, H. Mavoori, T.A. Strasser, J.J. DeMarco   +4 more
openaire   +1 more source

Etched Polymer Fibre Bragg Gratings

Photonics and Fiber Technology 2016 (ACOFT, BGPP, NP), 2016
Recently we initiated a new research direction for high-sensitivity and high-reflectivity Bragg grating fabrication based on etched polymer optical fibre, here we report the recent research developments on etched polymer fibre Bragg gratings.
Kishore Bhowmik, Gang-Ding Peng, Yanhua Luo, Eliathamby Ambikairajah, Ginu Rajan   +4 more
openaire   +2 more sources

Point by Point Inscribed Tilted Fibre Bragg Gratings [PDF]

EPJ Web of Conferences
To the best of our knowledge the inscription of tilted fibre Bragg gratings via the point by point method, without beam shaping, has been demonstrated for the first time.
Hainsworth James, Morana Adriana, Kemel Meriem, Arnaud Marina, Girard Sylvain, Vincent Paul, Marin Emmanuel   +6 more
doaj   +1 more source

Ultra-wide detuning planar Bragg grating fabrication technique based on direct UV grating writing with electro-optic phase modulation [PDF]

, 2013
A direct UV grating writing technique based on phase-controlled interferometry is proposed and demonstrated in a silica-on-silicon platform, with a wider wavelength detuning range than any previously reported UV writing technology.
Gates, J.C., Holmes, C., Mennea, P., Rogers, H., Sima, C., Smith, P.G.R., Zervas, M.N.   +6 more
core   +1 more source

Fibre Bragg gratings fabrication in four core fibres [PDF]

SPIE Proceedings, 2016
Due to the limitation of the lens effect of the optical fibre and the inhomogeneity of the laser fluence on different cores, it is still challenging to controllably inscribe different fibre Bragg gratings (FBGs) in multicore fibres. In this article, we reported the FBG inscription in four core fibres (FCFs), whose cores are arranged in the corners of a
Wang, Changle, Yan, Zhijun, Sun, Qizhen, Sun, Zhongyuan, Mou, Chengbo, Zhang, Junxi, Badmos, Abdulyezir, Zhang, Lin   +7 more
openaire   +1 more source

Selected issues concerning fibre-optic bending sensors

Informatyka, Automatyka, Pomiary w Gospodarce i Ochronie Środowiska
This paper presents a comprehensive review of bending sensors and their classifications. The main focus is on advancements in the design of optical fibre bending sensors based on fibre Bragg gratings (FBGs).
Les Hotra, Jacek Klimek, Ihor Helzhynskyy, Oksana Boyko, Svitlana Kovtun   +4 more
doaj   +1 more source

Trends in the design of wavelength-based optical fibre biosensors (2008–2018)

Biosensors and Bioelectronics: X, 2019
During the last decades, both governments and companies have been committed to the continuous checking of biological parameters, which can prevent extra costs to administrations. A very efficient way to address this issue is by designing biosensors. This
A.B. Socorro-Leránoz, D. Santano, I. Del Villar, I.R. Matias   +3 more
doaj   +1 more source

Efficient large-scale multiplexing of fiber Bragg grating and fiber Fabry-Perot sensors for structural health monitoring applications [PDF]

, 2006
Fiber Bragg gratings have been demonstrated as a versatile sensor for structural health monitoring. We present an efficient and cost effective multiplexing method for fiber Bragg grating and fiber Fabry-Perot sensors based on a broadband mode-locked ...
Cranch, Geoffrey A., Flockhart, G. M. H., Kirkendall, C. K.   +2 more
core   +1 more source

Long continuously chirped fibre Bragg gratings for compensation of linear- and 3rd order-dispersion

, 1997
For the first time long broadband chirped fibre Bragg gratings with a dispersion profile designed to compensate 3rd order-dispersion are presented. These results demonstrate how the increased demands for dispersion compensation at very high bit-rates can
Cole, M.J., Durkin, M., Ennser, K., Ibsen, M., Laming, R.I.   +4 more
core   +1 more source