Method and means of controlling the output of a pulsed laser

Details Method and means of controlling the output of a pulsed laser Method and means of controlling the output of a pulsed laser

1983-09-16

1986-09-09

Smith, Jerry

Boots, shoes, and leggings

372 30, H01S 313

Patent

active

046112707

ABSTRACT:
In a pulsed laser which is periodically energized so that it emits a pulse of radiation following each periodic energization, a feedback loop control system is provided for controlling energization of the laser so that the laser output radiation pulses are substantially constant over a relatively long period of operation, the feedback loop including a detector for detecting the laser pulses and producing an electrical signal representative of each pulse and a comparing circuit responsive to those electrical signals and a reference signal that represents the constant laser output level desired, for comparing the electric signals and the reference signals producing a control signal for controlling the energy of the periodic energization.

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Stabilization of the Radiation Power of a Continuous CO.sub.2 Laser; Soviet Journal of Optical Technology; Zelenov et al.; vol. 42, No. 6, pp. 355-356; Jun. 1975; American Institute of Physics, N.Y., N.Y.

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