The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
May. 09, 2017

Filed:

Dec. 10, 2010
Applicants:

Hiroshi Okabe, Kyoto, JP;

Kenichi Matoba, Kyoto, JP;

Kazuhiko Oka, Sapporo, JP;

Inventors:

Hiroshi Okabe, Kyoto, JP;

Kenichi Matoba, Kyoto, JP;

Kazuhiko Oka, Sapporo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01J 4/04 (2006.01); G01J 3/447 (2006.01);
U.S. Cl.
CPC ...
G01J 4/04 (2013.01); G01J 3/447 (2013.01);
Abstract

In the channeled spectroscopic polarimetry, a measurement error of a parameter showing a spectropolarization characteristic of a sample is effectively removed, the error being generated by various variations in retardation of a retarder depending upon the state of the sample. With attention being focused that the retardation of the retarder may be kept constant by stabilization of an incident direction of light that transmits through the retarder, the retarder was arranged on the light source side with respect to the sample so as to effectively remove an influence relative to a measurement error, such as variations in direction of a light ray due to the sample.


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