Cavity-enhanced spectroscopy (CES) methodology provides a much higher degree of sensitivity than that available from conventional absorption spectrometers. The aim of this chapter is to present the fundamentals of the method and the various modifications and extensions that have been developed. In order to set the stage, the limitations of traditional absorption spectrometers are discussed first, followed by a description of cavity-enhanced spectroscopyring-down spectroscopycavity ring-down spectroscopy (CRDS), the most popular CES embodiment. A few other well-known CES approaches are also described in detail. The chapter concludes with a discussion of recent work on extending CRDS to the study of liquids and solids.
CITATION STYLE
Paldus, B., & Kachanov, A. A. (2023). Spectroscopic Techniques: Cavity-Enhanced Methods. In Springer Handbooks (pp. 657–665). Springer Science and Business Media Deutschland GmbH. https://doi.org/10.1007/978-3-030-73893-8_45
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