| ABSTRACT | 第4-6页 |
| Chapter 1 Introduction | 第15-36页 |
| 1.1 Basics of laser-induced condensation of water | 第15-18页 |
| 1.2 Basics of femtosecond laser filamentation | 第18-36页 |
| 1.2.1 Characteristics of the plasma filament | 第22-23页 |
| 1.2.2 Supercontinuum generation in filaments | 第23-26页 |
| 1.2.3 Filament dependence on initial beam conditions | 第26-27页 |
| 1.2.4 Propagation of filaments | 第27页 |
| 1.2.5 Cumulative effects of the repetition rate | 第27-28页 |
| 1.2.6 Filamentation of blue and UV pulses | 第28-29页 |
| 1.2.7 Some applications of plasma filaments in air | 第29-36页 |
| 1.2.7.1 Guiding electric discharges | 第29-30页 |
| 1.2.7.2 Formation of waveguide channels | 第30-33页 |
| 1.2.7.3 State of the art in laser induced water condensation by filamentation | 第33-36页 |
| Chapter 2 Deterministic control of multiple filamentation | 第36-55页 |
| 2.1 Multiple filamentation | 第36-37页 |
| 2.2 Methods for deterministic control of MF patterns | 第37-39页 |
| 2.3 Existing methods for deterministic control of MF patterns | 第39-40页 |
| 2.4 Array of filaments in air by focusing with MLA and regular lens | 第40-44页 |
| 2.5 Control of MF in fused silica by using MLA | 第44-52页 |
| 2.6 Application to the writing of waveguides in fused silica | 第52-53页 |
| 2.7 Chapter conclusions | 第53-55页 |
| Chapter 3 Generation of high-spectral power supercontinuum | 第55-71页 |
| 3.1 Phenomena participating in supercontinuum generation | 第55-58页 |
| 3.2 Methods for high power Supercontinuum generation | 第58-66页 |
| 3.2.1 High-power SC from filamentation in gas | 第58-59页 |
| 3.2.2 High-power SC from propagation through a hollow fiber | 第59页 |
| 3.2.3 High power SC generation by MLA focusing | 第59-66页 |
| 3.3 Dual-wavelength, high power supercontinuum by MLA focusing | 第66-69页 |
| 3.4 Chapter Conclusions | 第69-71页 |
| Chapter 4 Supercontinuum cavity-enhanced and cavity-ringdown absorptionspectroscopy | 第71-88页 |
| 4.1 Spectroscopic techniques enhanced by a high-finesse cavity | 第71-75页 |
| 4.2 SC-Cavity ring-down spectroscopy (SC-CRDS) | 第75-78页 |
| 4.3 SC-cavity-enhanced absorption spectroscopy (SC-CEAS) | 第78-80页 |
| 4.4 Analysis of the cavity | 第80-81页 |
| 4.5 Multi-spot SC-CRDS by MLA focusing | 第81-84页 |
| 4.6 Detection of atmospheric humidity by multi-spot SC-CRDS | 第84-87页 |
| 4.7 Chapter conclusions | 第87-88页 |
| Chapter 5 Study of the chemical contribution of atmospheric plasma filaments bymulti-spot SC-CEAS | 第88-104页 |
| 5.1 Methods for the measurement of intermediate atmospheric species in laser inducedcondensation | 第88-96页 |
| 5.1.1 Measurement of Ozone | 第88-90页 |
| 5.1.2 Measurement of NO_2 | 第90-93页 |
| 5.1.3 Measurement of NO_3. | 第93-94页 |
| 5.1.4 The measurement of NO, N_2O_5 and HNO_3.. | 第94-96页 |
| 5.2 Measurement of femtosecond filamentation contribution to NO_x and O_3 | 第96-102页 |
| 5.3 Contribution of 800-nm and 400-nm filaments | 第102-103页 |
| 5.4 Chapter conclusions | 第103-104页 |
| Chapter 6 General conclusions | 第104-106页 |
| Contributions of this thesis | 第106-107页 |
| Recommendations for future work | 第107-108页 |
| Acknowledgements | 第108-110页 |
| References | 第110-119页 |
| List of publications | 第119页 |
| Conferences | 第119-120页 |
| Appendix | 第120-121页 |
