Terahertz difference frequency response of pdd in two-laser experiments
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EPJ2cmns.pdf
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Author(s)
Hagelstein, Peter L.
Letts, D.
Cravens, D.
Date Issued
July 2010
Journal
Journal of Condensed Matter Nuclear Science
Publisher
ISCMNS
Citation
Hagelstein, P. L., D. Letts, and D. Cravens. "Terahertz difference frequency response of pdd in two-laser experiments." J. Condensed Matter Nucl. Sci. 3 (2010) 59-76.
Version
Author's final manuscript
Abstract
In previous work we reported observations of a thermal response from Pd cathodes
electrolyzed in heavy water stimulated by a single diode laser. In more recent
experiments, stimulation was done using two overlapping weak laser beams, and
the cell was observed to respond to the difference frequency. The cell responded
to three difference frequencies in the THz range at 8.2 THz, at 15.1 THz, and
at 20.8 THz. The first two of these frequencies can be associated with optical
phonon frequencies of PdD with zero velocity. We examine the conjectures that
the response at 20.8 THz is due to deuterium in vacancies in the gold coating, or
due to hydrogen contamination.
MIT Department
Massachusetts Institute of Technology. Department of Electrical Engineering and Computer Science
Massachusetts Institute of Technology. Research Laboratory of Electronics
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http://www.iscmns.org/CMNS/JCMNS-Vol3.pdf
