Apparatus for stabilizing the intensity of light

Details Apparatus for stabilizing the intensity of light Apparatus for stabilizing the intensity of light

1989-05-08

1990-09-18

Sikes, William L.

Coherent light generators

Particular beam control device

Having particular beam control circuit component

372 31, 372 38, H01S 313

Patent

active

049583549

ABSTRACT:
A light intensity stabilizing apparatus comprises an optical amplifier such as a non-resonant traveling-wave type optical amplifier, whose gain is adjustable by a controlling electrical signal and which amplifies incident light emitted from a light source, a beam splitting means for branching output light of the optical amplifier into stabilized output light and feedback light, a light intensity detector for converting said feedback light into an electrical signal, and a control unit for producing said controlling electrical signal in accordance with said electrical signal from said light intensity detector.

REFERENCES:
patent: 3898583 (1975-08-01), Shuey
patent: 4736164 (1988-04-01), Henning

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