Phase-locking of independent laser oscillators

Details Phase-locking of independent laser oscillators Phase-locking of independent laser oscillators

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.

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