Abstract
The influence of various metal substrates on the photoacoustic response of a double-layered polymer coating (polypropylene on a polybutylacrylate-adhesive) is demonstrated. The extended Rosencwaig–Gersho theory by Fernelius for a double-layered sample is used to discuss the step-scan Fourier transform infrared photoacoustic spectroscopy (FT-IR PAS) experimental results. A clear dependence of the photoacoustic phase φ on the thermal diffusivity α of the metal substrate is found. Therefore, the quality of the thermal contact between the polymer coating and the metal substrate influences the photoacoustic phase spectrum.
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References
1.
Bell
A. G.
, Am. J. Sci. 20 , 305 (1880 ).
2.
Rosencwaig
A.
Gersho
A.
, J. Appl. Phys. 47 , 64 (1976 ).
3.
Mandelis
A.
Teng
Y. C.
Royce
B. S. H.
, J. Appl. Phys. 50 , 7138 (1979 ).
4.
Fernelius
N. C.
, J. Opt. Soc. Am. 70 , 480 (1980 ).
5.
Fernelius
N. C.
, J. Appl. Phys. 51 , 650 (1980 ).
6.
Fujii
Y.
Akihiro
A.
Nakai
J.
, Jap. J. Appl. Phys. 20 , 361 (1981 ).
7.
Baumann
J.
Tilgner
R.
, J. Appl. Phys. 58 , 1982 (1985 ).
8.
Baumann
J.
Tilgner
R.
, Can. J. Phys. 64 , 1291 (1986 ).
9.
Brunn
J.
Grosse
P.
Wynands
R.
, Appl. Phys. B 47 , 343 (1988 ).
10.
Jones
R. W.
McClelland
J. F.
, Presented at the 10th Conference of FT Spectroscopy , Budapest, Hungary (1995 ).
11.
Jones
R. W.
McClelland
J. F.
, Appl. Spectrosc. 50 , 1258 (1996 ).
12.
Jiang
E. Y.
Palmer
R. A.
Chao
J. L.
, J. Appl. Phys. 78 , 460 (1995 ).
13.
Jiang
E. Y.
McCarthy
W. J.
Crocombe
R. A.
Drapcho
D. L.
, Presented at the AIRS II Conference, Poster No. A-6 , Durham, North Carolina (1996 ).
14.
Vidberg
H. J.
Jaarinen
J.
Riska
D. O.
, Can. J. Phys. 64 , 1178 (1986 ).
15.
Rohde
M.
, Thin Solid Films 238 , 199 (1994 ).
16.
Philip
J.
, Rev. Sci. Instrum. 67 , 3621 (1996 ).
17.
Wahls
M. W. C.
Toutenhoofd
J. P.
Leyte-Zuiderweg
L. H.
De Bleijser
J.
Leyte
J. C.
, Appl. Spectrosc. 51 , 551 (1997 ).
18.
Rosencwaig
A.
, Photoacoustics and Photoacoustic Spectroscopy (R. E. Krieger , Malabar, Florida , 1990 ).
19.Polymer Handbook ,
Brandrup
J.
Immergut
E. H.
, Eds. (John Wiley and Sons , New York , 1975 ), 2nd ed.
20.
Liang
C. Y.
Lytton
M. R.
Boone
C. J.
, J. Polym. Sci. 54 , 523 (1961 ).
21.The Aldrich Libary of IR-spectra ,
Pouchert
Charles J.
, Ed. (Aldrich Chemical Company , Milwaukee, Wisconsin , 1975 ), 2nd ed.