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Proceedings Paper

Analysis of mechanical characteristics by birefringence microscope
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Paper Abstract

The mechanical characteristics of polymer materials are of interest to the chemical industry. There are requirements for observation of changes of internal structure to stress. A number of samples under various stress conditions have provided interesting information upon analysis by microscopic birefringence measurement. In the present paper, we propose a birefringence measurement method for observation of the internal structure of polymer materials and analysis of the relationship between a given stress and the corresponding birefringence distribution. The proposed measurement system consists of a He-Ne laser, polarizers, a half-wave plate and a quarter-wave plate. The birefringence distributions of gelatin, such as the phase difference and azimuthal angle, are shown for the case of applied uniaxial and biaxial stress.

Paper Details

Date Published: 19 October 2006
PDF: 5 pages
Proc. SPIE 6374, Optomechatronic Actuators, Manipulation, and Systems Control, 637407 (19 October 2006); doi: 10.1117/12.687428
Show Author Affiliations
Mizue Ebisawa, Tokyo Univ. of Agriculture and Technology (Japan)
Yukitoshi Otani, Tokyo Univ. of Agriculture and Technology (Japan)
Norihiro Umeda, Tokyo Univ. of Agriculture and Technology (Japan)


Published in SPIE Proceedings Vol. 6374:
Optomechatronic Actuators, Manipulation, and Systems Control
Farrokh Janabi-Sharifi; Yukitoshi Otani, Editor(s)

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