optical fiber-based chemical sensors
Comparison of water level measurement performance for two different types of diaphragm using fiber bragg grating based optical sensors
... as chemical processors, fuel storage and other industrial environments ...of sensors has the potential application in explosive liquids with safe ...level based on electrical techniques such as, ...
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Force pressure sensor based on microbend optical fiber
... an optical fiber. By using optical fiber sensing devices one can measure or monitor different physical and chemical parameters in terms of one of the principal parameters that describe ...
5
Analysis of fiber optic concept for glucose sensor development
... on optical (fiber) chemical sensors, fluorescence spectroscopy, and fluorescent probes and has edited a book on Fiber Optic Chemical Sensors and ...on Optical ...
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Intrinsic, Single-mode Polymer Optical Fiber Sensors for Large Strain Applications
... good chemical resistance water, lyes, diluted acids, petrol, mineral oil, and turpentine oil (Yang et ...the chemical resistance testing with POFs has been based on automotive liquids found in ...and ...
128
Finite Element Formulation for Self-Writing of Polymer Optical Fiber Sensors
... The goal of this work was to create a multi-physics finite element model that can accurately compute the electromagnetic, chemical and mechanical interactions that occur during the process of photopolymerization. ...
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Weight Measurements by Using Simple Optical-Fiber Sensors (RESEARCH NOTE)
... ical sensors have the pote ntials t o be used for we ighing measurements especially in hazardous process cont rol are ...d based on the extrinsic, int rinsic, and evanescent processes ...vanescent ...
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Nanostructured Light Guide Sensors of the Solvents’ Vapors in Atmosphere
... Optical sensors of the gas/atmosphere components have demonstrated its good performances and are widely used in analytical ...(incl. fiber-optic) sensor ...the chemical sensor designing has ...
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Polymer optical fiber tapering using chemical solvent and polishing
... tapered fiber that requires no alignment and has a constant attenuation of low-order ...the fiber is about few hundred meters thus the effect of tapers is local length ...
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Evolutionary Trends in Lightwave Communications
... ultralong-haul fiber-optic transmission systems (Islam, 2002; Namiki et ...nonlinear optical devices in telecommunication systems (Rottwitt, 2002; Bromage, 2004; Rkhelenko, ...small fiber losses over ...
8
A Survey on Optical Fiber Sensors for Telemedicine Applications
... reason optical fiber sensors used with MRI compatibility, also the materials used here must be a low magnetic susceptibility making this sensor fully MRI-compatible and inexpensive ...
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Efficient large-scale multiplexing of fiber Bragg grating and fiber Fabry-Perot sensors for structural health monitoring applications
... Multiplexed fiber Bragg grating strain sensor systems have been demonstrated in many different forms since the early ...of fiber Bragg gratings (FBG) as sensing elements in a smart structure was recognized ...
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Application of the Spectrum Peak Positioning Technology Based on BP Neural Network in Demodulation of Cavity Length of EFPI Fiber Optical Sensor
... (EFPI) fiber optical sensor system is an online testing system for the gas den- ...PI fiber optical ...technology based on BP neural network can not only achieve high-precision ...
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An Interrogation System for Spectrally Multiplexed Fiber Bragg Grating Sensors
... In this paper we propose an arrayed waveguide grating to interrogate FBG sensors. These devices have several advantages over the previously demonstrated systems. This includes solid nature, compact size, immunity ...
6
Optical Fiber Audio Communication System
... etc. Fiber optic networks are becoming increasingly commonplace in telecommunications applications due to their increased bandwidth and distance capabilities relative to copper ...networks. Optical ...
24
Non Linear Strain Measures on Concrete Structures by Means of Embedded Optical Fiber Sensors
... defects and strain error estimation for bending steel beams using time domain Brillouin distributed optical fiber. sensors ” Smart Materials and Structures, 15 (2), pp[r] ...
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Online Full Text
... An optical fiber is a dielectric cylindrical waveguide made from low-loss materials, usually silicon ...the fiber by total internal reflection [4]. Fiber optic communication systems consists ...
5
Optimization for the best performance for wavelength division multiplexed passive optical network
... a fiber-to-the-x (FTTx) model to support converged Internet Protocol (IP) video, voice, and data services at a cheaper subscription cost than the cumulative of the above services deployed ...brings optical ...
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Design of an Optical Submarine Network with Longer Range and Higher Bandwidth
... shows optical spectrum of the signal obtained after multiplexing and figure 9 shows the plot between the square of its amplitude and ...from Optical Spectrum analyzer and the output that we are getting in ...
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Obstacle Avoidance Based on Ultrasonic Sensors and Optical Encoders
... In this paper, an obstacle avoidance method was proposed, it is used to avoid obstacle that suddenly appeared in the navigation path of mobile robot, it helps the robot to return the original path of its planning ...
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Research of Data Processing Algorithms from Fiber Optic Sensors
... Based on the results of the experiments, the optimal algorithm for processing data with FBG was chosen, which allows determining the deformation of the object with the smallest error under the condition of ...
6