Zewail, A. H. and Orlowski, T. E. and Jones, K. E. and Godar, D. E. (1977) Spontaneously detected photon echoes in excited molecular ensembles: a probe pulse laser technique for the detection of optical coherence of inhomogeneously broadened electronic transitions. Chemical Physics Letters, 48 (2). pp. 256-261. ISSN 0009-2614. doi:10.1016/0009-2614(77)80310-2. https://resolver.caltech.edu/CaltechAUTHORS:20160927-112619266
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Abstract
We present a simple and versatile laser technique for the detection of photon echoes in molecular excited ensembles. The method utilizes two optical pulses followed by a third probe pulse which converts the optical polarization induced by the laser into a change in excited population that gives rise to spontaneous emission. This way the photon echo burns the spontaneous emission and does not ride on the top of a large laser signal. The observation thus allows one to untangle the inhomogeneous electronic transitions by monitoring the emission into any vibrational level. The technique is capable of measuring as few as 10^6 molecules and should be applicable to a wide variety of problems in gases and solids that echo on the nanosecond (or perhaps picosecond) time scale.
| Item Type: | Article | |||||||||
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| Additional Information: | © 1997 Elsevier B.V. Received 3 March 1977. This work is supported in part by the Research Corporation, The United States Energy Research and Development Administration, and the Sloan Fund. We would like to thank D. Smith and R. Mead for their help in these experiments. | |||||||||
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| Issue or Number: | 2 | |||||||||
| DOI: | 10.1016/0009-2614(77)80310-2 | |||||||||
| Record Number: | CaltechAUTHORS:20160927-112619266 | |||||||||
| Persistent URL: | https://resolver.caltech.edu/CaltechAUTHORS:20160927-112619266 | |||||||||
| Official Citation: | A.H. Zewail, T.E. Orlowski, K.E. Jones, D.E. Godar, Spontaneously detected photon echoes in excited molecular ensembles: a probe pulse laser technique for the detection of optical coherence of inhomogeneously broadened electronic transitions, Chemical Physics Letters, Volume 48, Issue 2, 1 June 1977, Pages 256-261, ISSN 0009-2614, http://dx.doi.org/10.1016/0009-2614(77)80310-2. (http://www.sciencedirect.com/science/article/pii/0009261477803102) | |||||||||
| Usage Policy: | No commercial reproduction, distribution, display or performance rights in this work are provided. | |||||||||
| ID Code: | 70609 | |||||||||
| Collection: | CaltechAUTHORS | |||||||||
| Deposited By: | Ruth Sustaita | |||||||||
| Deposited On: | 28 Sep 2016 22:57 | |||||||||
| Last Modified: | 11 Nov 2021 04:32 |
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