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Published May 15, 1984 | Published
Journal Article Open

Photoacoustic detection of stimulated emission pumping in p-difluorobenzene

Abstract

Photoacoustic detection has been used to monitor a stimulated emission pumping process in p‐difluorobenzene. Using the Ã^(1)B_(2u)5^1 state as an intermediate, several vibrational levels of the ground electronic state were populated. The photoacoustic method is an attractive alternative to other detection techniques because of its sensitivity, simplicity, and its ability to differentiate between stimulated emission pumping and excited state absorption. An example of excited state absorption in aniline is given.

Additional Information

© 1984 American Institute of Physics. Received 21 September 1983; accepted 8 December 1983. Research supported in part by the U.S. Department of Energy, (Contract No. DE-AS03-76F00767, Project Agreement No. DE-AT-76ER 72004).

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