Electro-optic circuit with source control feedback

Details Electro-optic circuit with source control feedback Electro-optic circuit with source control feedback

1984-05-07

1986-11-25

Nelms, David C.

Radiant energy

Photocells; circuits and apparatus

Photocell controls its own optical systems

455618, G01J 132

Patent

active

046251057

ABSTRACT:
A circuit for the conversion of an electrical input signal into an optical output signal is disclosed. A portion of the main beam from a laser diode that provides the optical output is reflected to a PIN diode with a glass pane. Linearization of the electro-optical conversion process over a wide frequency range is achieved through a feedback loop. For operation at frequencies higher than that of the feedback loop bandwidth, the various conversion factors for low and high frequencies can be additionally adapted.

REFERENCES:
patent: 4056719 (1977-11-01), Waaben
patent: 4075474 (1978-02-01), Strauss et al.
patent: 4211929 (1980-07-01), Tamburelli

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