Control of timing of laser operation

Details Control of timing of laser operation Control of timing of laser operation

1975-03-05

1977-01-18

Sikes, William L.

Oscillators

Molecular or particle resonant type

331 945T, H01S 3092

Patent

active

040042480

ABSTRACT:
To prevent time jitter of laser action after occurrence of an event -- such s energization of the laser -- after a reference time, in which the laser is stimulated to emission after having received a pump pulse energy slightly less than the laser threshold energy, an additional, auxiliary pulse is superimposed on the main pumping pulse at a predetermined time after the reference time, and of sufficient energy to raise the laser above threshold, to thereby stimulate the laser to emission precisely with respect to the auxiliary pulse, and hence with respect to the reference time. The auxiliary pulse can be applied, for example, by an auxiliary pulse source, and having an energy level small with respect to the main pulse, but with an extremely short rise time.

REFERENCES:
patent: 3172056 (1965-03-01), Stitch
patent: 3588740 (1971-06-01), Bell
patent: 3842366 (1974-10-01), Gordon et al.
patent: 3914648 (1975-10-01), Friedman et al.

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