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. 05, 1993
Filed:
Jun. 05, 1991
Applicant:
Inventors:
Yuzo Ito, Hitachi, JP;
Hiromu Terao, Katsuta, JP;
Kayo Ono, Hitachi, JP;
Sukekazu Aratani, Hitachi, JP;
Masato Isogai, Mito, JP;
Atsushi Kakuta, Hitachiota, JP;
Assignee:
Hitachi, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F21V / ; G02B / ; C07D / ; C07D / ;
U.S. Cl.
CPC ...
252582 ; 252587 ; 252589 ; 359328 ; 359350 ; 359361 ; 359329 ; 549392 ; 549394 ; 549391 ;
Abstract
According to the present invention, there is provided a non-linear optical device comprising a non-linear optical medium comprising an organic compound, which remarkably improves the non-linear optical properties. The non-linear optical device according to the present invention is suited for the second and third harmonic generations, photomixing optical parametric oscillations, optical switches and optical bistable devices.