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A Novel Laser Technique for Observing Optical Coherence in Gases, Molecular Beams, and Solids

Orlowski, T. E. and Zewail, A. H. (1977) A Novel Laser Technique for Observing Optical Coherence in Gases, Molecular Beams, and Solids. In: Proceedings of the Technical Program : Electro-Optics/Laser 77 Conference and Exposition. Industrial and Scientific Conference Management, Inc. , Chicago, pp. 602-608. http://resolver.caltech.edu/CaltechAUTHORS:20170711-140216603

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Abstract

Traditionally, the phenomenon of optical coherence has been observed by detecting coherent transients (i.e., optical nutation, FID, photon echoes) propagating along the laser beam following passage through an absorbing medium. Recently, we have demonstrated that detection of the incoherent (spontaneous) emission from selectively prepared states provides the optical coherence of the ensemble. Our observation of the nutation and the photon echo at right angles to the exciting beam gives directly optical T_1, T_2, and the moment of the laser excited transition. This technique is simple and not susceptible to some of the problems inherent in coherent absorption experiments. Details about this laser technique will be presented. We will also discuss the different dynamical information one obtains about excited states in gases, molecular beams and solids.


Item Type:Book Section
Additional Information:©1977 Industrial and Scientific Conference Management, Inc.
Record Number:CaltechAUTHORS:20170711-140216603
Persistent URL:http://resolver.caltech.edu/CaltechAUTHORS:20170711-140216603
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:78959
Collection:CaltechAUTHORS
Deposited By: Donna Wrublewski
Deposited On:11 Jul 2017 21:58
Last Modified:11 Jul 2017 21:58

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