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Amplified Q-Switched Solid-State Laser and Its Interaction with Material

Abstract第7-9页
Table of Contents第10-15页
List of Figures第15-22页
List of Tables第22-24页
CHAPTER 1 INTRODUCTION第24-46页
    1.1 SOLID-STATE LASER第24-26页
        1.1.1 Long-pulse solid-state laser第24-25页
        1.1.2 Q-switched solid-state laser第25-26页
        1.1.3 Solid-state laser amplifier第26页
    1.2 LASER INTERACTION WITH MATERIAL第26-31页
        1.2.1 Laser-induced plasma spectroscopy LIPS第27-28页
        1.2.2 LIBS/LIPS applications第28-31页
        1.2.3 LIBS advantages and disadvantages第31页
            1.2.3.1 Advantages of LIBS technique第31页
            1.2.3.2 Disadvantages of LIBS technique第31页
    1.3 EPOXIDE RESIN第31-34页
        1.3.1 Epoxide resin review第31-32页
        1.3.2 Epoxide resin applications第32-34页
            1.3.2.1 Paints and coatings第32页
            1.3.2.2 Adhesives第32-33页
            1.3.2.3 Industrial tooling and composites第33页
            1.3.2.4 Electrical systems and electronics第33页
            1.3.2.5 Consumer and marine applications第33-34页
            1.3.2.6 Aerospace applications第34页
            1.3.2.7 Biology第34页
            1.3.2.8 Art第34页
    1.4 LITERATURE REVIEW第34-44页
        1.4.1 Laser history第34-37页
        1.4.2 Solid-state laser design第37-38页
        1.4.3 Laser-induced plasma spectroscopy(LIPS)第38-44页
    1.5 THE GOAL OF THIS RESEARCH WORK第44页
    1.6 THE STRATEGY FOR THIS RESEARCH WORK第44-45页
    1.7 SUMMARY第45-46页
CHAPTER 2 PULSED SOLID-STATE LASER第46-82页
    2.1 INTRODUCTION第46-53页
        2.1.1 Active medium第46-47页
        2.1.2 Flashlamps for pulsed solid-state laser第47-50页
            2.1.2.1 Square wave power supply第47-49页
            2.1.2.2 Pulse Forming Network PFN第49-50页
        2.1.3 Pumping cavity第50-52页
            2.1.3.1 Elliptical reflector第50-52页
            2.1.3.2 Diffuse reflector第52页
        2.1.4 Optical resonator第52-53页
    2.2 NORMAL SOLID-STATE LASER SYSTEM第53-71页
        2.2.1 Solid-state laser rate equation第53页
        2.2.2 Threshold condition第53-55页
        2.2.3 Resonator quality factor第55-56页
        2.2.4 Population inversion,gain coefficient and saturated gain coefficient第56-60页
        2.2.5 Fluorescence power第60页
        2.2.6 Power density and output power第60-61页
        2.2.7 Solid-state laser efficiency factors第61-67页
            2.2.7.1 Conversion of electrical input delivered to the pump source to useful pump radiation第61-62页
            2.2.7.2 Transfer of the useful radiation emitted by the pump source to the gain medium第62-64页
            2.2.7.3 Absorption of pump radiation by the gain medium and transfer of energy to the upper laser level第64-66页
            2.2.7.4 Conversion of the upper state energy to laser output第66-67页
        2.2.8 Relationship between externally measurable quantities and internal system and material parameters第67-70页
        2.2.9 Experimental calculation for round-trip losses δ, unsaturated gain coefficient g_o and single-pass gain G_o第70-71页
    2.3 Q-SWITCHED SOLID-STATE LASER第71-79页
        2.3.1 Q-switch theory第71-72页
        2.3.2 Q-switch rate equations第72页
        2.3.3 Output energy E_(out) and the extraction efficiency η_E of a Q-switch laser pulse第72-75页
        2.3.4 Electro-optic Q-switch第75-79页
            2.3.4.1 KDP/KD~*P Pockels cell第76-78页
            2.3.4.2 LiNbO_3 Pockels cell第78-79页
    2.4 AMPLIFIED SOLID-SATE LASER第79-81页
        2.4.1 Pulse amplification theory第79-80页
        2.4.2 Laser amplifier extraction efficiency η_E第80-81页
    2.5 SUMMARY第81-82页
CHAPTER 3 LASER INTERACTION WITH MATERIAL第82-108页
    3.1 INTRODUCTION第82页
    3.2 PLASMA FORMATION第82-88页
    3.3 LASER-INDUCED PLASMA SPECTROSCOPY(LIPS)第88-102页
        3.3.1 LIPS atomic optical emission spectroscopy(OES)第88-91页
            3.3.1.1 Line emission第89-91页
            3.3.1.2 Continuum emission第91页
        3.3.2 Local thermodynamic equilibrium第91-93页
        3.3.3 Line broadening mechanisms第93-96页
            3.3.3.1 Natural broadening第93-94页
            3.3.3.2 Doppler broadening第94页
            3.3.3.3 Stark broadening第94-95页
            3.3.3.4 Self absorption broadening第95-96页
            3.3.3.5 Instrumental broadening第96页
        3.3.4 Plasma diagnostics applications第96-102页
            3.3.4.1 Verification of atomic data第96-97页
            3.3.4.2 Measurement of temperature第97-101页
            3.3.4.3 Measurement of electron density第101-102页
    3.4 EPOXIDE RESIN第102-107页
        3.4.1 Epoxy resin structure第102-103页
        3.4.2 Producing Epoxides第103页
        3.4.3 Epoxy resin curing第103-104页
        3.4.4 Characterization and properties第104-107页
    3.5 SUMMARY第107-108页
CHAPTER 4 EXPERIMENTAL WORK,RESULTS AND DISCUSSION第108-188页
    4.1 INTRODUCTION第108-109页
    4.2 SOLID-STATE LASER DESIGN第109-145页
        4.2.1 Flashlamp and flashlamp power supply第109-110页
            4.2.1.1 Long-pulse solid-state laser system flashlamp and power supply第109-110页
            4.2.1.2 Normal-operation and Q-switched solid-state laser system and laser amplifier第110页
        4.2.2 Gain medium第110-111页
            4.2.2.1 Long-pulse solid-state laser system第111页
            4.2.2.2 Others mode of operation第111页
        4.2.3 Optical resonator第111页
        4.2.4 Pump cavity design第111-112页
            4.2.4.1 Single-elliptical pump cavity第111-112页
            4.2.4.2 Double-elliptical pump cavity第112页
        4.2.5 Active optical resonator第112-113页
            4.2.5.1 Long-pulse solid-state laser system第112-113页
            4.2.5.2 Normal-operation and Q-switched solid-state laser system and laser amplifier第113页
        4.2.6 Solid-state laser experimental setup第113-115页
        4.2.7 Results and discussion of the solid-state laser experiment第115-130页
            4.2.7.1 Long-pulse output energy and overall system efficiency第115-124页
            4.2.7.2 Normal-operation output energy and overall system efficiency第124页
            4.2.7.3 Q-switched output energy and overall system efficiency第124-127页
            4.2.7.4 Laser amplifier output energy,gain and system efficiency第127-130页
        4.2.8 Optical resonator loss measurement experimentally第130-132页
            4.2.8.1 Long-pulse mode of operation第130-131页
            4.2.8.2 Normal-mode of operation第131-132页
        4.2.9 Calculation of different efficiency factors arithmetically第132-138页
            4.2.9.1 Long-pulse mode of operation第132-134页
            4.2.9.2 Nomal-mode of operation第134-135页
            4.2.9.3 Q-switched mode of operation第135-137页
            4.2.9.4 Amplified-mode of operation第137-138页
        4.2.10 Analysis for the different parameters controlling the solid-state laser performance第138-145页
            4.2.10.1 Gain coefficient and the single-pass gain第139-140页
            4.2.10.2 Inverted density and fluorescence power第140页
            4.2.10.3 Intracavity power density第140-142页
            4.2.10.4 Optimum mirror reflectivity第142-143页
            4.2.10.5 Beam parameters measurements第143-145页
    4.3 LASER INDUCED PLASMA SPECTROSCOPY第145-188页
        4.3.1 LIPS experimental setup第145-147页
        4.3.2 Results and discussion of the LIPS experiment第147-188页
            4.3.2.1 Laser interaction with epoxide resin material discussion第164-171页
            4.3.2.2 Thermal temperature第171-176页
            4.3.2.3 Plasma temperature第176-182页
            4.3.2.4 Plasma electron density第182-184页
            4.3.2.5 Effect of the laser irradiance on the plasma spectra第184-187页
            4.3.2.6 Local thermodynamic equilibrium第187-188页
CHAPTER 5 CONCLUSION第188-194页
APPENDIX A第194-198页
APPENDIX B第198-200页
APPENDIX C第200-210页
List of References第210-220页
Acknowledgement第220-222页
List of publications第222页

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