Cavity Ring-Down Spectroscopy

Cavity Ring-Down Spectroscopy: Techniques and Applications provides a practical overview of this valuable analytical tool, explaining the fundamental concepts and experimental methods, and illustrating important applications. Designed as both an introductory text and a reference source, this book is relevant for scientists unfamiliar with CRDS who are interested in using the technique in their research, as well as experienced users.

Preface List of contributors Glossary Chapter 1 - An introduction to cavity ring-down spectroscopy 1.1 Introduction 1.2 Direct absorption spectroscopy 1.3 Basic cavity ring down spectroscopy setup 1.4 A more refined picture 1.5 Fitting of cavity ring down transients 1.6 A few examples 1.7 Going beyond the standard pulsed CRDS experiment 1.8 Summary 1.9 References Chapter 2 - Cavity enhanced techniques using continuous wave lasers 2.1 Introduction 2.1 Properties of optical cavities and cw lasers relevant to cavity enhanced spectroscopy 2.3 Experimental methods for cw laser cavity enhanced spectroscopy 2.4 Spectroscopy with resonant cavities 2.5 Summary Chapter 3 - Broadband cavity ring-down spectroscopy 3.1 Introduction. 3.2 The time and wavelength evolution of a single ringdown event. 3.3 Two dimensional techniques: resolving broadband cavity output in time and wavelength. 3.4 One dimensional techniques: time or wavelength. 3.5 How to extract quantitative information from broadband spectra. 3.6 Optimising the sensitivity of a broadband measurement. 3.7 Applications of broadband cavity methods. 3.8 References. Chapter 4 - Cavity ring-down spectroscopy in analytical chemistry 4.1 Introduction 4.2 Condensed media CRDS 4.3 Evanescent-wave CRDS 4.4 Future trends and perspectives Chapter 5 - Cavity ring-down spectroscopy using waveguides 5.1. Introduction 5.2. The basic experiments 5.3. Optics and Instrumentation 5.4. Review of waveguide CRD literature 5.5. Conclusion and outlook 5.6. Acknowledgements Chapter 6 - Cavity ring down spectroscopy of molecular transients of astrophysical interest 6.1. Introduction 6.2. Experimental 6.3. Astronomical considerations 6.4. Results 6.5. Outlook Acknowledgements References Chapter 7 - Applications of cavity ring-down spectroscopy in atmospheric chemistry 7.1. Brief overview 7.2. Measurement of trace atmospheric species by CRDS 7.3. Laboratory based studies of atmospheric interest 7.4. Optical properties of atmospheric aerosol particles 7.5. Future developments Chapter 8 - Cavity ring-down spectroscopy for medical applications 8.1. Introduction 8.2. Trace gases in medicine and biology 8.3. Instrumentation for laser analytics of breath and other biological gas samples 8.4. Applications to life sciences 8.5. Conclusion and Perspectives 8.6. References Chapter 9: Studies into the growth mechanism of a-Si:H using in situ cavity ring-down techniques 9.1. Introduction 9.2. Gas phase CRDS on SiHx­ radicals 9.3. Thin film CRDS on dangling bonds in a-Si:H films (ex situ) 9.4. Evanescent wave CRDS on dangling bonds during a-Si:H film growth Chapter 10 – Cavity ring down spectroscopy for combustion studies 10.1. Introduction 10.2. General description of cavity ring down spectroscopy in flames 10.3. Experimental set-up 10.4. Quantitative concentration measurements in flames 10.5. Concentration profile determination 10.6. Specific difficulties in combustion studies 10.7. Case of particles: soot volume fraction determination 10.8. Conclusion and prospective References Appendix A Literature