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Optical ringing in solids: The observation of optical coherence and resonance decay from selectively prepared molecular packets in molecular crystals

Zewail, A. H. and Orlowski, T. E. (1977) Optical ringing in solids: The observation of optical coherence and resonance decay from selectively prepared molecular packets in molecular crystals. Chemical Physics Letters, 45 (3). pp. 399-403. ISSN 0009-2614. http://resolver.caltech.edu/CaltechAUTHORS:20160927-112619567

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Abstract

The optical ringing and the incoherent resonance decay of electronically excited (resolution ≈ 10^(−4) cm^(−1)) solids is observed using the technique of single-mode laser spectroscopy (SLS). The results show that localized states of pentacene in p-terphenyl, at 1.7 K, have a definite phase memory that can be destroyed only above 3 K due to the increased phonon population. Moreover, the optical coherence of the 0, 0 origin (at 16 882 cm^(−1)) gives a homogeneous linewidth of 40 MHz which is approximately 1100 the width of the vibronic origin, and orders of magnitude less than the “apparent” width of the resonance.


Item Type:Article
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http://dx.doi.org/10.1016/0009-2614(77)80047-XDOIArticle
http://www.sciencedirect.com/science/article/pii/000926147780047XPublisherArticle
Additional Information:© 1977 Elsevier B.V. Received 15 October 1976. Supported in part by the Sloan Fund. Contribution No. 5420. We wish to thank Dr. A. Marchetti for providing us with the mixed crystals. The help of D. Dawson, D. Smith, and R. Mead in these experiments is greatly appreciated. We also wish to thank the National Science Foundation (Grant No. MPS-573-04613) for partial support of this work.
Funders:
Funding AgencyGrant Number
Alfred P. Sloan FoundationUNSPECIFIED
NSFMPS-573-04613
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Other Numbering System NameOther Numbering System ID
Arthur Amos Noyes Laboratory of Chemical Physics5420
Record Number:CaltechAUTHORS:20160927-112619567
Persistent URL:http://resolver.caltech.edu/CaltechAUTHORS:20160927-112619567
Official Citation:A.H. Zewail, T.E. Orlowski, Optical ringing in solids: The observation of optical coherence and resonance decay from selectively prepared molecular packets in molecular crystals, Chemical Physics Letters, Volume 45, Issue 3, 1 February 1977, Pages 399-403, ISSN 0009-2614, http://dx.doi.org/10.1016/0009-2614(77)80047-X. (http://www.sciencedirect.com/science/article/pii/000926147780047X)
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ID Code:70610
Collection:CaltechAUTHORS
Deposited By: Ruth Sustaita
Deposited On:28 Sep 2016 23:07
Last Modified:28 Sep 2016 23:07

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