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环境感知的长周期光纤光栅技术

摘要第4-5页
ABSTRACT第5页
CHAPTER 1: INTRODUCTION第11-26页
    1.1 BACKGROUND, OBJECTIVE AND SIGNIFICANCE OF THE SUBJECT第11-14页
    1.2 OPTICAL FIBER第14-15页
    1.3 FIBER GRATING SENSORS第15-18页
    1.4 LITERATURE REVIEW第18-22页
        1.4.1 Long period Fiber grating第18-21页
        1.4.2 Photonic crystal fiber grating sensor第21-22页
    1.5 MAIN CONTENT OF THE RESEARCH第22-23页
        1.5.1 The specific research content第23页
    1.6 RESEARCH SCHEME第23-26页
CHAPTER 2: CORROSION PROCESS第26-40页
    2.1 CORROSION PROCESS INTRODUCTION第26-27页
    2.2 FACTORS INFLUENCING CORROSION第27-29页
    2.3 CARBONATION OF CONCRETE第29-34页
        2.3.1 Carbonation mechanism of Embedded Steel第29-31页
        2.3.2 Carbonation depth prediction model第31-33页
        2.3.3 Determination of the threshold value第33-34页
    2.4 CHLORIDE ION EROSION第34-38页
        2.4.1 Chloride ion erosion mechanism第34-35页
        2.4.2 Chloride ion diffusion model第35-37页
        2.4.3 Determination of chloride ion threshold第37-38页
    2.5 BRIEF SUMMARY第38-40页
CHAPTER 3: LONG-PERIOD FIBER GRATING SIMULATIONS第40-65页
    3.1 INTRODUCTION第40页
    3.2 LONG PERIOD FIBER GRATING SENSING PRINCIPLE第40-44页
        3.2.1 Fiber Grating Foundation第40-42页
        3.2.2 Long-Period Fiber Theories第42-43页
        3.2.3 Composition of sensing system第43-44页
    3.3 LONG-PERIOD FIBER GRATING SENSING CHARACTERISTICS第44-50页
        3.3.1 Temperature sensing第44-46页
        3.3.2 Axial strain sensitivity第46-47页
        3.3.3 Refractive index sensing characteristics第47-50页
    3.4 LONG-PERIOD GRATING SENSING METHOD第50-51页
    3.5 LONG PERIOD FIBER GRATING SIMULATION第51-64页
        3.5.1 Long-Period grating simulation calculations第51-58页
            3.5.1.1 Comparison of the length of the different grid regions LPGsimulation第52-53页
            3.5.1.2 LPG contrast simulation of different gate area temperature第53-56页
            3.5.1.3 LPG contrast simulation of different grid strains第56-58页
        3.5.2 LPG refractive index sensing simulation第58-62页
            3.5.2.1 Simulation of different PH pure solution第58-59页
            3.5.2.2 Simulation of different Ethanol (C2H6O) Solution第59-60页
            3.5.2.3 Simulation of different Relative Humidity第60-62页
        3.5.3 LPG CO2 Sensing Simulation第62-64页
            3.5.3.1 Determination of suitable grating period第62-63页
            3.5.3.2 Determination of suitable gate Length第63-64页
    3.6 BRIEF SUMMARY第64-65页
CHAPTER 4: PHOTONIC CRYSTAL FIBER LONG-PERIOD GRATINGSENSORS第65-77页
    4.1 INTRODUCTION第65页
    4.2 THE PRINCIPLE OF SENSING第65-69页
    4.3 NUMERICAL SIMULATION第69-72页
        4.3.1 Numerical Simulation Tools第70-71页
        4.3.2 Establishing a Model第71-72页
    4.4 SIMULATION RESULTS AND ANALYSIS第72-76页
        4.4.1 Circular Arrangement Model Simulation Results第72-74页
        4.4.2 Hexagonal Arrangement Model Simulation Results第74-76页
    4.5 BRIEF SUMMARY第76-77页
CHAPTER 5: CONCLUSION AND FUTURE RESEARCH第77-79页
    5.1 CONCLUSION第77-78页
    5.2 FUTURE RESEARCH第78-79页
REFERENCES第79-87页
ACKNOWLEDGEMENT第87页

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