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.:

US 9294109 B1

PDF
Full Text
Expired
Date of Patent:
Mar. 22, 2016

Filed:

Jun. 06, 2014
Applicant:

Seiko Epson Corporation, Tokyo, JP;

Inventor:

Tetsuo Nishida, Suwa, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03L 7/26 (2006.01); G04F 5/14 (2006.01); G21K 1/00 (2006.01); H01S 5/042 (2006.01); H01S 5/0687 (2006.01); G01R 33/44 (2006.01);
U.S. Cl.
CPC ...
H03L 7/26 (2013.01); G04F 5/145 (2013.01); G01R 33/44 (2013.01); G21K 1/006 (2013.01); H01S 5/0427 (2013.01); H01S 5/0687 (2013.01);
Abstract

An optical module for an atomic oscillator using a quantum interference effect includes a light source part to emit resonant light having two different wavelengths, a gas cell in which an alkali metal atom gas is enclosed and to which the resonant light is irradiated, a light detection part to detect an intensity of the resonant light transmitted through the gas cell, and a gas-flow generation part to generate a flow of the alkali metal atom gas.


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