Fibre Bragg grating based fire alarm system
Polarized random fibre lasers based on the tilted fibre Bragg grating
... RFL system, the photonic-photonic conversion efficiency is ...SMF based Raman gain and Rayleigh ...optical fibre, in the fibre system, which lead to the polarized RFL system ...
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An outdoor fibre bragg grating temperature sensor
... 1.4 O bjective The objective o f this research is to design, construct, and develop an outdoor FBG temperature sensor system for different FBG placement heights from the rooftop floor. The effect of FBG at ...
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Development of temperature-insensitive fibre Bragg grating based pressure transducer
... Alwis, L., Sun, T., & Grattan, K. (2016). Developments in optical fibre sensors for industrial applications. Optics & Laser Technology, 78, 62-66. Baldwin, C. S., Yu, M., Miller, C. E., Sirkis, J. S., ...
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Comprehensive monitoring of electrical machine parameters using an integrated fibre Bragg grating-based sensor system
... the system in ...sensor system created from the use of a number of such sensors could potentially occupy a spatial envelope larger than the drive ...optical fibre-based, quasi-distributed, ...
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A temperature compensated fibre Bragg grating (FBG)-based sensor system for condition monitoring of electrified railway pantograph
... from fibre Bragg grating (FBG) sensors integrated into a railway current- collecting pantograph for accurate measurement of contact force and contact location when it is subjected to various ...
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Optimization of the accelerated curing process of concrete using a fibre Bragg grating-based control system and microwave technology
... a fibre behaves like a ‘notch filter’ (in transmission), which reflects light around at a wavelength termed the Bragg wavelength that satisfies the so-called Bragg condition 7 ...grating’s ...
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Real-time Monitoring System of Composite Aircraft Wings Utilizing Fibre Bragg Grating Sensor
... s observed. The experiment was repeated for a load of 20 N, 30 N, 40 N and MATLAB software was used to create graphical user interface (GUI) as virtual instrumentation time deflection of the composite plate as it ...
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Underwater free-vibration analysis of full-scale marine propeller using a Fibre Bragg Grating-based sensor system
... The research described in this paper forms part of an on- going investigation into achieving better means of measurement of the vibrational characteristics of full-scale marine propellers, both in air and under water, ...
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The use of an improved technique to reduce the variability of output voltage in real-time Fibre Bragg Grating based monitoring system
... monitoring system with the benefit of MATLAB graphical user interface (GUI) and voltage normalization algorithm to scale down the voltage ...interrogation system has been practiced in the experimentation ...
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Fibre Bragg Grating-based Cascaded Acoustic Sensors for Potential Marine Structural Condition Monitoring
... multiple Fibre Bragg grating (FBG)-based sensors for acoustic emission (AE) detection, thus offering an effective alternative to conventional piezoelectric (PZT) sensors, especially where they ...
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The Design of Fiber Bragg Grating Temperature Measurement System Based on Labview
... fiber Bragg grating sensor demodulation system, which was based on virtual instru- ment labview and it developed a friendly upper monitor ...software. Based on the LM algorithm, the ...
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Fibre Bragg Grating-based Acoustic Sensor Array for Improved Condition Monitoring of Marine Lifting Surfaces
... sensor system, coupled with a PZT acoustic sensor, co-located with FBG 1 , for ...work, based on a cascaded FBG-based acoustic sensor system, coupled (with a PZT acoustic sensor for ...
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Development of Fibre Bragg grating (FBG) dynamic pressure transducer with diminutive voltage inconsistency
... In this research work, an FBG pressure transducer was designed and applied for pressure measurement by attaching FBG on the diaphragm. However, there are a lot of challenges to make the FBG based pressure ...
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Properties of fibre bragg grating in optical fibre systems
... The fibre parameters include the value of its effective core refractive index (RI) lle and its profile, while the essential grating parameters are its period A, its length L and the ampl[r] ...
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Fibre Bragg Grating Sensors An Introduction to Bragg gratings and interrogation techniques
... 0.5 nm and 50 nm respectively) a practical limit on the number of sensors that can be accommodated is about 100 per channel. Relatively large size. The swept light is a fairly complex, delicate component. Together with ...
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Nonlinear parametric study of photon in a fibre bragg grating
... Bragg Grating. The study has been successfully performed out under Bragg resonance condition where the initial frequency of the light has the same value with the Bragg ...
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Fibre Bragg grating sensors in polymer optical fibres
... amount&of&etching&can&have&a&significant&effect&on&fibre&inscription&time[67]).&Finally&we¬e&that& ...
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The use of Fibre Bragg Grating (FBG) sensors in geotechnical applications
... of Fibre Bragg Grating (FBG) Sensors in Geotechnical Applications The conventional soil strain sensor provided good results for the Retaining Wall Test – Failure It can be seen from both Figure ...
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Acousto optic superlattice modulator using Fibre Bragg grating
... *Optoelectronics Group, School of Physics, University of Bath, Bath BA2 7AY, UK Abstract A modulator is reported in which an extensional acoustic wave is launched along a fiber Bragg grating. The ...
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Development of temperature-insensitive fibre bragg grating pressure transducer
... Abstract. In this work, the development of an aluminium diaphragm fibre Bragg grating (FBG) pressure transducer with temperature compensation strategy is presented. One of the big challenges for the ...
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