Device for modulating intensity of light rays generated from gas

Details Device for modulating intensity of light rays generated from gas Device for modulating intensity of light rays generated from gas

1974-12-11

1976-02-10

Wilbur, Maynard R.

Modulators

Amplitude modulator

Nonlinear device controlled by modulating signal

331 945P, 331 945M, 315307, 307253, H01S 309, H05B 3700

Patent

active

039380602

ABSTRACT:
A device for modulating the intensity of light rays generated from a gas laser in which an input modulating signal is supplied to a switching element included in a modulating current supply source connected across a gas laser discharge tube to control the discharge current and hence modulate the laser light output. The gas laser discharge tube is eventually subjected to the influence of a magnetic field so as to stabilize the laser light output and modulating characteristic.

REFERENCES:
patent: 3464024 (1969-08-01), Bell et al.
patent: 3530398 (1970-09-01), Itzkan et al.
patent: 3577174 (1971-05-01), Longsdorff
patent: 3806762 (1924-04-01), Punis et al.
White et al., "Excitation Mechanisms and Current Dependence He-Ne Lasers," 12/1/63, pp. 197-199, A.P.L. Vol. 3, No. 11.

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