Chapter 1 Overview of Spectral Techniques 1.1 The Origin of Spectral Techniques 1.1.1 Spectrum and Spectroscopy 1.1.2 The History of Spectral Techniques 1.2 The Development of Spectroscopy Instruments 1.2.1 The Development of Spectroscopic Theory 1.2.2 The Advent of the Laser 1.2.3 Development of Spectrometers 1.3 Atomic Energy Levels and Atomic Spectrum 1.3.1 Atomic Energy Level 1.3.2 Atomic Emission Spectroscopy 1.3.3 Atomic Absorption Spectrum 1.4 Molecular Spectrum 1.4.1 Molecular Vibrational Energy Levels and Corresponding Spectral Techniques 1.4.2 Molecular Electrons Moving Energy Levels and Corresponding Spectral Techniques References Chapter 2 Laser-induced Breakdown Spectroscopy 2.1 Birth and Development of LIBS 2.2 Fundamentals of LIBS 2.2.1 laser-induced Plasma 2.2.2 Local Thermodynamic Equilibrium 2.2.3 Plasma Temperature and Electron Number Density 2.2.4 Qualitative and Quantitative Analysis 2.3 Instrumentation for LIBS 2.3.1 LIBS Experimental Setup 2.3.2 Online/In Situ LIBS Instruments 2.3.3 Signal Enhancement for LIBS 2.4 LIBS Applications 2.4.1 Environmental Monitoring 2.4.2 Coal Analysis 2.4.3 Biomedicine 2.4.4 Agriculture and Food Safety 2.4.5 Space Exploration 2.4.6 Ocean Exploration References Chapter 3 Raman Spectroscopy Technology 3.1 Birth and Development of Raman Spectroscopy 3.1.1 The Great Founder 3.1.2 The Birth of Raman Spectroscopy Technology 3.1.3 The Development of Raman Spectroscopy Technology 3.2 Principle of Inelastic Scattering 3.2.1 Nonconservation of the Kinetic Energy of Particles 3.2.2 Elastic and Inelastic Scattering 3.2.3 Raman Scattering and Rayleigh Scattering 3.2.4 Stokes and Anti-Stokes Lines 3.3 Experimental Systems for Raman Spectroscopy 3.3.1 The Source and Splitting of the Light 3.3.2 Collection and Monitoring 3.4 Surface-Enhanced Raman Spectroscopy 3.4.1 Defects of Ordinary Raman Spectroscopy
3.4.2 Principles of Surface-Enhanced Raman Spectroscopy 3.5 Important Applications of Raman Spectroscopy 3.5.1 Spectral Fingerprint 3.5.2 Real-time Detection of Liquid Phase Raman Spectroscopy Experiment 3.5.3 Configuration Analysis of Raman References Chapter 4 Differential Optical Absorption Spectroscopy 4.1 Development of DOAS 4.1.1 Development of DOAS Abroad 4.1.2 Domestic DOAS Development 4.1.3 Opportunities and Challenges 4.2 Principle of DOAS 4.2.1 Lambert-Beer's Law …… Chapter 5 Infrared Spectroscopy Chapter 6 Laser-induced Fluorescence Spectroscopy Chapter 7 Ultraviolet-visible Absorption Spectroscopy Chapter 8 Tunable Diode Laser Absorption Spectroscopy Chapter 9 Photoacoustic Spectroscopy Chapter 10 Cavity Ring-Down Spectroscopy Chapter 11 X-ray Fluorescence Spectrometry Chapter 12 Hyperspectral Technology Chapter 13 Spectral Fusion Technology and Application Chapter 14 Intelligent Spectrum Based on Machine Learning Chapter 15 Simulation Spectrum Teaching Experiments Postscript