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:
Jul. 24, 2018

Filed:

Jan. 11, 2018
Applicant:

Shibuya Corporation, Kanazawa-shi, Ishikawa, JP;

Inventors:

Toshiaki Naka, Kanazawa, JP;

Motoi Sasaki, Kanazawa, JP;

Akito Tsuchiya, Kanazawa, JP;

Assignee:

SHIBUYA CORPORATION, Kanazawa-shi, Ishikawa, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02F 1/39 (2006.01); G02F 1/35 (2006.01);
U.S. Cl.
CPC ...
G02F 1/39 (2013.01); G02F 1/3501 (2013.01); G02F 2001/3503 (2013.01); G02F 2203/055 (2013.01); G02F 2203/13 (2013.01);
Abstract

A pumping beam Lenters from a pumping beam projectorinto one end surfaceof a nonlinear crystal, the pumping beam Land idler wave Lare generated from another end surfaceof the nonlinear crystal. The pumping beam Lemitted from the other end surfaceof the nonlinear crystalis reflected and re-enters as a pumping beam L' into the other end surfaceand the idler wave Lgenerated from the other end surfaceof the nonlinear crystal is reflected by the reflection optical systemand re-enters as a seed beam L′ into the other end surface The idler wave Lenters as the seed beam L′ together with the pumping beam L′ into the nonlinear crystal and thus a terahertz wave with a large output and including a plurality of wavelengths can be generated.


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