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Birefringence measurement of thin polymer films under tensile stress by a Brillouin scattering method

Abstract:
A Brillouin scattering technique has been applied to investigate the ultra-drawing process of polypropylene films. The gradual elastic changes during the drawing process showed the appearance of anisotropy and birefringence of the sample. Devising the optical geometry of Brillouin scattering measurement, continuous changes of the birefringence during ultra-drawing were clearly observed. These data were compared with the data obtained using a polarizing microscope, which were acquired at specific points of the drawing process.
Publication status:
Published

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Publisher copy:
10.1143/JJAP.42.3080

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Volume:
42
Issue:
5B
Pages:
3080-3083
Publication date:
2003-05-05
DOI:
EISSN:
1347-4065
ISSN:
0021-4922
URN:
uuid:f8e82972-137a-44f3-84e8-5c117b956ee0
Source identifiers:
174524
Local pid:
pubs:174524

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