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Proceedings Paper

Development of HAUP and its applications to various kinds of solids
Author(s): Jinzo Kobayashi; Toru Asahi
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Paper Abstract

Optical activity was found in 1811 by Arago. However, optical activity of solids is extremely small and overwhelmed by existing birefringence, so it could not be measured until the high accuracy universal polarimeter (HAUP) was developed by us in 1983. The HAUP method enables us to measure optical activity and birefringence of any solids even belonging to monoclinic and triclinic systems. The principles of the HAUP and the more generalized one are given. The applications of the HAUP method to various kinds of solids, i.e., the elucidation of the origin of the incommensurate state of ferroelectrics, optical activities or monoclinic crystals, huge optical activity of high polymer sheet, and the first measurement of a protein, lysozyme, crystal are described. These applications illustrate that axial tensorial consideration provides otherwise inaccessible insight of previously unsolved problems. Therefore we stress the necessity of developing a new research field defined as chiral physics, where axial tensors play essential roles.

Paper Details

Date Published: 30 June 2000
PDF: 15 pages
Proc. SPIE 4097, Complex Mediums, (30 June 2000); doi: 10.1117/12.390589
Show Author Affiliations
Jinzo Kobayashi, Waseda Univ. (Japan)
Toru Asahi, Waseda Univ. (Japan)


Published in SPIE Proceedings Vol. 4097:
Complex Mediums
Akhlesh Lakhtakia; Werner S. Weiglhofer; Russell F. Messier, Editor(s)

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