Sensitive detection techniques in laser spectroscopy

W. Demtroeder; M. Keil; Th. Platz; H. Wenz

doi:10.1117/12.518886

4 November 2003 Sensitive detection techniques in laser spectroscopy

W. Demtroeder, M. Keil, Th. Platz, H. Wenz

Author Affiliations +

Proceedings Volume 5226, 12th International School on Quantum Electronics: Laser Physics and Applications; (2003) https://doi.org/10.1117/12.518886
Event: 12th International School on Quantum Electronics Laser Physics and Applications, 2002, Varna, Bulgaria

Abstract

In this paper several detection techniques of laser spectroscopy are presented which are illustrated by some examples. They are either based on modified absorption spectroscopy with frequency- or wavelength modulation, on opto-acoustic and opto-thermal spectroscopy, on laser-induced fluorescence or on resonant two-photon ionization. Their advantages and limitations are discussed and possible further improvements are proposed. They are illustrated by several examples, such as overtone spectroscopy of ozone O₃, carbon disulfid CS₂, opto-acoustic spectroscopy of carbonyl sulfid OCS, by Doppler-free opto-thermal spectroscopy of ethylen C₂H₄ and by Doppler-free laser spectroscopy of the small alkali trimers Li₃ and Na₃ detected by resonant two photon ionization.

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W. Demtroeder, M. Keil, Th. Platz, and H. Wenz "Sensitive detection techniques in laser spectroscopy", Proc. SPIE 5226, 12th International School on Quantum Electronics: Laser Physics and Applications, (4 November 2003); https://doi.org/10.1117/12.518886

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