Titlebook: Cavity-Enhanced Spectroscopy and Sensing; Gianluca Gagliardi,Hans-Peter Loock Book 2014 Springer-Verlag Berlin Heidelberg 2014 Cavity Ring

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Cavity Enhanced Absorption Spectroscopy with Optical Feedback, with a linewidth exceeding that of the cavity resonances. The solution is to tightly frequency lock the laser to the cavity resonance, and drastically reduce its emission linewidth. This has been possible using either the Pound-Drever-Hall technique, giving the NICE-OHMS scheme, or Optical Feedback

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,NICE-OHMS—Frequency Modulation Cavity-Enhanced Spectroscopy—Principles and Performance,phase. It is based on a combination of frequency modulation for reduction of noise and cavity enhancement for prolongation of the interaction length between the light and a sample. It is capable of both Doppler-broadened and sub-Doppler detection with absorption sensitivity down to the 10. and 10.?H

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Applications of NICE-OHMS to Molecular Spectroscopy,OHMS), then goes on to describe the various laser systems that it has been implemented with and the molecules it has been used to study. The relative strengths and weaknesses of each of the laser systems, both in the near- and mid-infrared spectral regions, are highlighted. The molecules that have b

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Cavity-Enhanced Direct Frequency Comb Spectroscopy, spectroscopy, the unique properties of the OFC spectrum enable simultaneous acquisition of broadband spectra while also providing high spectral resolution. Due to the regular structure of its spectrum, an OFC can be efficiently coupled to an optical enhancement cavity, resulting in vastly increased

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Cavity-Enhanced Spectroscopy on Silica Microsphere Resonators,ty mode spectrum is used to infer the chemical composition of the resonator medium and its immediate environment. For example, frequency shifts of cavity modes can be related to either cavity length changes or refractive index changes. Photon lifetime measurements, on the other hand, allow in princi

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Cavity Ringdown Spectroscopy for the Analysis of Small Liquid Volumes, small probed volume of liquid sample. Conventional two-mirror cavity ringdown or cavity-enhanced absorption spectroscopy appears to provide a simple general ‘benchtop’ platform for measurements on flow cells and microfluidic chips with suitable optical properties, and recent progress in developing

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Fiber Loop Ringdown Sensors and Sensing,-based cavity to achieve the multi-pass approach. Over the last several years, FLRD has gone far beyond the original applications of cavity ringdown spectroscopy to trace gas measurements to a broad range of applications in chemical, physical, and biological sensing. Using a uniform sensing scheme—m