Analysis of mechanical characteristics by birefringence microscope

Mizue Ebisawa; Yukitoshi Otani; Norihiro Umeda

doi:10.1117/12.687428

19 October 2006 Analysis of mechanical characteristics by birefringence microscope

Mizue Ebisawa, Yukitoshi Otani, Norihiro Umeda

Proceedings Volume 6374, Optomechatronic Actuators, Manipulation, and Systems Control; 637407 (2006) https://doi.org/10.1117/12.687428
Event: Optics East 2006, 2006, Boston, Massachusetts, United States

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.

Citation Download Citation

Mizue Ebisawa, Yukitoshi Otani, and Norihiro Umeda "Analysis of mechanical characteristics by birefringence microscope", Proc. SPIE 6374, Optomechatronic Actuators, Manipulation, and Systems Control, 637407 (19 October 2006); https://doi.org/10.1117/12.687428

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