TITLE

Standing light wave in front of a silver mirror investigated by photothermal spectroscopy

AUTHOR(S)
Knoll, Wolfgang; Coufal, Hans J.
PUB. DATE
September 1987
SOURCE
Applied Physics Letters;9/21/1987, Vol. 51 Issue 12, p892
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
Photothermal spectra of an isocyanine dye monolayer, separated from a silver mirror by a varying number of cadmium arachidate layers, are recorded with a pyroelectric calorimeter. The spatial dependence of the light intensity in front of the silver mirror is observed. The phase angle of a light wave upon reflection from the silver surface is determined to be 124±5° at a wavelength of 578 nm. The quantum yield for radiationless deexcitation at that wavelength is found to be 33±7%.
ACCESSION #
9824270

 

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