Laser control apparatus and method

Details Laser control apparatus and method Laser control apparatus and method

H - Electricity

01

S

315/24

H01S 3/13 (2006.01) H01S 3/10 (2006.01) H01S 3/139 (2006.01)

Patent

CA 1205512

LASER CONTROL APPARATUS AND METHOD by NORMAN THEODORE SEATON 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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