Oscillators – Molecular or particle resonant type
Patent
1977-01-12
1978-06-20
Sikes, William L.
Oscillators
Molecular or particle resonant type
331 945C, H01S 3098
Patent
active
040964485
ABSTRACT:
In a multi-element array of laser oscillators, each having a control input for adjusting the output laser light frequency thereof, apparatus for phase and frequency locking each laser oscillator of the array to a reference laser oscillator. An optical phase shifter cooperates with the reference laser oscillator and with a radio frequency source to provide a local oscillator energy source. Mixing of the local oscillator energy with that of a respective one of the array oscillators by photodetector and then phase detection of the mixed or down-converted signals, relative to the radio frequency source, provides a control signal for phase and frequency control of the array oscillator.
REFERENCES:
patent: 3437955 (1969-04-01), Enloe et al.
patent: 3471803 (1969-10-01), Forster
patent: 3877813 (1975-04-01), Hayes et al.
Hamann H. Fredrick
Humphries L. Lee
Pitts Rolf M.
Rockwell International Corporation
Sikes William L.
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