Title:
ATOMIC FREQUENCY ACQUISITION APPARATUS AND ATOMIC CLOCK
Document Type and Number:
Japanese Patent JP2007178274
Kind Code:
A
Abstract:
To improve productivity of atomic clocks while achieving compactness.
The atomic clock is provided with: a cell 110 in which atomic gas is sealed inside; a laser diode 120 for oscillating a laser beam which is made incident into the cell 110 to excite the atomic gas; and a photo-detector 130 for receiving a laser beam transmitted through the cell 110. The laser diode 120 is pasted to a plane 112 of the cell 110, and the photo-detector 130 is pasted to a plane 113 opposed to the plane 112.
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Inventors:
KOYAMA TOMOKO
Application Number:
JP2005377488A
Publication Date:
July 12, 2007
Filing Date:
December 28, 2005
Export Citation:
Assignee:
SEIKO EPSON CORP
International Classes:
G04F5/14; G04G3/00; H01S5/183
Domestic Patent References:
| JPH0676349A | 1994-03-18 | |||
| JPS5669935A | 1981-06-11 | |||
| JPS5565484A | 1980-05-16 | |||
| JPH0637384A | 1994-02-10 | |||
| JPH06120584A | 1994-04-28 | |||
| JPH0676349A | 1994-03-18 |
Foreign References:
| US20050046851A1 | 2005-03-03 |
Attorney, Agent or Firm:
Yoshiyuki Inaba
Katsuro Tanaka
Shinji Oga
Katsuro Tanaka
Shinji Oga