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Fiber Bragg Gratings Sensor and its Applications

摘要第5-6页
Abstract第6页
Summary第7-12页
List of Figures第12-17页
List of Tables第17-18页
CHAPTER 1 Introduction第18-31页
    1.1 General Introduction第18-20页
        1.1.1 Fiber Bragg grating第19页
        1.1.2 FBG applications in sensing field第19-20页
    1.2 Aims of the thesis work第20页
    1.3 Literature review第20-28页
        1.3.1 Fundamental of FBG grating fabrication第21-22页
        1.3.2 Properties of FBG第22-23页
        1.3.3 Strain and temperature sensitivity of Bragg gratings第23-24页
        1.3.4 Types of fiber Bragg grating第24-28页
            a) Uniform FBG第24-25页
            b) Linearly Chirped FBG第25-28页
    1.4 Demodulation technique of optical sensing system第28-29页
    1.5 Multiplexing techniques第29-30页
    1.6 Organization of thesis第30页
    1.7 Conclusion第30-31页
CHAPTER 2: Theory of FBG & simulation第31-45页
    2.1 Introduction第31-32页
    2.2 Coupled-mode theory第32-36页
    2.3 Grating simulation第36-42页
        2.3.1 Transfer Matrix Method第37-42页
            a. Reflection Grating第38-40页
            b. Phase Shifts within a Grating第40-42页
    2.4 Experiment & results第42-44页
    2.5 Conclusion第44-45页
CHAPTER 3: The sensing application of supercooling processing monitored based on FBG第45-63页
    3.1 Introduction第45-46页
    3.2 Overview about phase-transition of water第46-47页
        3.2.1 Definitions第46-47页
    3.3 Use FBG to monitor phase-transition第47-51页
        3.3.1 Fixe conditions for phase transition monitoring experiments第48-51页
            3.3.1.1 Choose type of water (normal water & pure water)第48-49页
            3.3.1.2 Choose an appropriate temperature第49-50页
            3.3.1.3 Choose Nature of FBG (Naked & packaged)第50-51页
    3.4 Applications of phase-transition study第51-56页
        3.4.1 Application 1: solute sensor第51-53页
        3.4.2 Application 2: concentration sensor detector第53-56页
    3.5 Packaging work第56-62页
        3.5.1 Enhance the packaging configuration第56-60页
        3.5.2 Enhance the packaging material第60-62页
            a) Comparison between copper and steel tubes第60-61页
            b) Comparison between copper and steel tubes第61-62页
    3.6 Discussion and conclusion第62-63页
CHAPTER 4: The sensing application of liquid-gas phase transition processing monitored based on FBG第63-87页
    4.1 Introduction第63页
    4.2 Part 1: Design and fabrication of pressure sensor for high temperature condition第63-81页
        4.2.1 Introduction第63-64页
        4.2.2 Pressure sensor 1-(Silicone Cylinder)第64-72页
            4.2.2.1 Idea第64-65页
            4.2.2.2 Design and fabrication of Silicone cylinder第65-67页
                4.2.2.2.1 Design and fabrication of cylinder mold第65页
                4.2.2.2.2 Preparation of Mixture to fabricate Silicone cylinder第65-67页
                    a. Silicone type 1第65-66页
                    b. Silicone type 2第66-67页
            4.2.2.3 Test of Silicone elasticity and FBG response第67-69页
            4.2.2.4 Comparison different sizes & different types of silicone第69-70页
            4.2.2.5 Enhance the sensitivity of the sensor第70-71页
            4.2.2.6 Design and fabrication of sensor cover for high temperature applications第71-72页
        4.2.3 Pressure sensor 2-(Bending Beam)第72-81页
            4.2.3.1 Idea第72页
            4.2.3.2 Definition of beam & bending第72-74页
            4.2.3.3 Bending beam Theory第74-75页
            4.2.3.4 Test of FBG response for bending beam第75-79页
                4.2.3.4.1 Design and fabrication of system for experiments第75-76页
                4.2.3.4.2 Experiments & Results第76-77页
                4.2.3.4.3 Extract force and pressure from the results第77-79页
                    a) First method: Using graph method第77页
                    b) Second method: Using theory of bending beam第77-79页
            4.2.3.5 Different thickness of beam第79-80页
            4.2.3.6 Design and fabrication of sensor cover for high temperature applications第80-81页
    4.3 Part 2: The liquid-gas phase transition monitored based on FBG第81-85页
        4.3.1 Introduction第81页
        4.3.2 Temperature Sensor第81-83页
        4.3.3 Strain sensor第83页
        4.3.4 Pressure sensor第83-84页
        4.3.5 Experiment第84-85页
    4.4 Conclusion第85-87页
CHAPTER 5: CONCLUSION第87-89页
References第89-93页
Acknowledgments第93-94页
Appendices第94-113页
    Appendix A第95-113页

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