A New Polarimeter for Dilute Aqueous Solutions: The Improved Null-Method Compensation for the Optical Rotatory Power by the Faraday Effect of a Sample

We propose a new polarimeter for the null-method measurement that utilizes the Faraday effect of a sample, i.e., dilute aqueous solutions in our case. With replacement of the Faraday glass that has been used in the conventional null-method polarimeter with our sample, our improved method is complete...

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Bibliographic Details
Published in:Japanese Journal of Applied Physics 1999-04, Vol.38 (4R), p.2152, Article 2152
Main Authors: Mitsui, Takahisa, Kinugawa, Tohru, Sakurai, Katsumi
Format: Article
Language:English
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Summary:We propose a new polarimeter for the null-method measurement that utilizes the Faraday effect of a sample, i.e., dilute aqueous solutions in our case. With replacement of the Faraday glass that has been used in the conventional null-method polarimeter with our sample, our improved method is completely free from the defects of Faraday glass such as the scattering center and the strain-induced birefringence. Furthermore, the optical rotatory power of a sample is determined, in principle, to be independent of the cell length. As a demonstrative experiment, the optical rotatory power of dilute glucose aqueous solutions was successfully measured.
ISSN:1347-4065
0021-4922
1347-4065
DOI:10.1143/JJAP.38.2152