Cavity-Enhanced Spectroscopy and Sensing

Front Cover
Gianluca Gagliardi, Hans-Peter Loock
Springer, Oct 19, 2013 - Science - 527 pages
The book reviews the dramatic recent advances in the use of optical resonators for high sensitivity and high resolution molecular spectroscopy as well as for chemical, mechanical and physical sensing. It encompasses a variety of cavities including those made of two or more mirrors, optical fiber loops, fiber gratings and spherical cavities. The book focuses on novel techniques and their applications. Each chapter is written by an expert and/or pioneer in the field. These experts also provide the theoretical background in optics and molecular physics where needed. Examples of recent breakthroughs include the use of frequency combs (Nobel prize 2005) for cavity enhanced sensing and spectroscopy, the use of novel cavity materials and geometries, the development of optical heterodyne detection techniques combined to active frequency-locking schemes. These methods allow the use and interrogation of optical resonators with a variety of coherent light sources for trace gas detection and sensing of strain, temperature and pressure.
 

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Contents

Introduction to Cavity Enhanced Absorption Spectroscopy
1
Detection and Characterization of Reactive Chemical Intermediates Using Cavity Ringdown Spectroscopy
61
Quantum Cascade Laser Based Chemical Sensing Using Optically Resonant Cavities
92
SaturatedAbsorption Cavity RingDown SCAR for HighSensitivity and HighResolution Molecular Spectroscopy in the Mid IR
143
Cavity Enhanced Absorption Spectroscopy with Optical Feedback
163
NICEOHMSFrequency Modulation CavityEnhanced SpectroscopyPrinciples and Performance
211
Applications of NICEOHMS to Molecular Spectroscopy
252
CavityEnhanced Direct Frequency Comb Spectroscopy
271
Whispering Gallery Mode Biomolecular Sensors
323
CavityEnhanced Spectroscopy on Silica Microsphere Resonators
350
Cavity Ringdown Spectroscopy for the Analysis of Small Liquid Volumes
385
Fiber Loop Ringdown Sensors and Sensing
411
FiberOptic Resonators for StrainAcoustic Sensing and Chemical Spectroscopy
462
Broadband CavityEnhanced Absorption Spectroscopy with Incoherent Light
485
Index
519
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