Search for dissertations about: "fibre optical sensors"
Showing result 1 - 5 of 13 swedish dissertations containing the words fibre optical sensors.
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1. Fibre Optic Magnetic Field Sensors Utilizing Iron Garnet Materials
Abstract : This thesis deals with the subject of fibre optic magnetic field sensors utilizing iron garnet materials. Such materials exhibit a large Faraday rotation which make them advantageous for application in compact magnetic field sensors. READ MORE
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2. Fibre-Optic Displacement and Temperature Sensing Using Coupling Based Intensity Modulation and Polarisation Modulation Techniques
Abstract : Optical fibre sensors are employed in the measurements of a number of different physical properties or for event detection in safety and security systems. In those environments which suffer from electromagnetic disturbance, in harsh environments where electronics cannot survive and in applications in favour of distributed detection, fibre-optic sensors have found natural areas of use. READ MORE
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3. Durability of Embedded Fibre Optic Sensors in Composites
Abstract : This thesis concerns various aspects of the durability offibre optic sensors embedded in composite. Since repair orreplacement of embedded sensors is not generally possible, thefunctional reliability of embedded sensors is one of the mostimportant prerequisites for successful use. READ MORE
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4. Theory and Applications of Coupling Based Intensity Modulated Fibre-Optic Sensors
Abstract : Optical fibre sensors can be used to measure a wide variety of properties. In some cases they have replaced conventional electronic sensors due to their possibility of performing measurements in environments suffering from electromagnetic disturbance, or in harsh environments where electronics cannot survive. READ MORE
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5. Fibre Bragg Grating Components for Filtering, Switching and Lasing
Abstract : Fibre Bragg gratings (FBGs) are key components for a vast number of applications in optical communication systems, microwave photonics systems, and optical sensors, etc. The main topic of this thesis is fibre Bragg grating fabrication and applications in direct microwave optical filtering, high speed switching and switchable dual-wavelength fibre lasers. READ MORE