Injection laser stabilization

Details Injection laser stabilization Injection laser stabilization

1977-09-09

1979-09-04

Davie, James W.

Oscillators

Molecular or particle resonant type

331 945H, H01S 313

Patent

active

041669851

ABSTRACT:
Apparatus for stabilizing the output characteristics of an injection laser has a device for producing an electrical pulse train representative of an optical pulse train of the laser. The electrical pulse train is fed to circuitry which monitors the switch-on delay of the laser and controls the bias current of the laser such that the switch-on delay is maintained constant. Alternatively the pulse length can be monitored. The pulse amplitude or mean pulse energy can also be monitored and maintained constant.

REFERENCES:
patent: 3898583 (1975-08-01), Shuey
patent: 3946335 (1976-03-01), De Loach, Jr. et al.
patent: 3996526 (1976-12-01), D'Auria et al.
patent: 4092614 (1978-05-01), Sakuma et al.
patent: 4092615 (1978-05-01), Shimizu
Wittke et al., "Stabilization of CW Injection Lasers" RCA Technical Notes, Apr. 1975, pp. 1-3.

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