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.
Patent No.:
Date of Patent:
Jan. 31, 2012
Filed:
Jun. 02, 2009
Applicant:
Sakuya Tamada, Tokyo, JP;
Inventor:
Sakuya Tamada, Tokyo, JP;
Assignee:
Sony Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01J 4/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A terahertz spectroscopic apparatus includes a polarization beam splitter transmitting or reflecting a linearly polarized terahertz wave, a quarter wave plate imparting a phase difference of 90° to a terahertz wave impinging thereon, and an optical member guiding a circularly polarized terahertz wave impinging thereon from the polarization beam splitter via the quarter wave plate to an irradiation surface.