Title:
LASER CONTROLLER
Document Type and Number:
Japanese Patent JPS5828884
Kind Code:
A
Abstract:
A laser control apparatus for use with a laser having output radiation including an intermodal beat frequency and electric signal responsive means for controlling the light frequency from the laser; radiation responsive electric signal means adapted for association with said radiation for providing an electric signal having a frequency as a function of said beat frequency; and means for sensing changes in phase of the aforementioned signal and providing a second electric signal varying as a function thereof and being adapted for connection to the electric signal responsive means. The apparatus also includes a phase comparator and circuitry providing a phase lock of the first-named and reference signals.
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Inventors:
NOOMAN SEODORU SHIITON
Application Number:
JP9205582A
Publication Date:
February 19, 1983
Filing Date:
May 29, 1982
Export Citation:
Assignee:
SEATON NORMAN T
International Classes:
H01S3/106; H01S3/139; (IPC1-7): H01S3/10; H01S3/13
Domestic Patent References:
| JP39019921A |
Attorney, Agent or Firm:
Kuwahara Hideaki