Adaptive imaging telescope with nonlinear sensing and electro-op

Details Adaptive imaging telescope with nonlinear sensing and electro-op Adaptive imaging telescope with nonlinear sensing and electro-op

1974-06-24

1976-10-26

Nelms, David C.

Radiant energy

Photocells; circuits and apparatus

Photocell controls its own optical systems

350160R, G01J 120

Patent

active

039886085

ABSTRACT:
An adaptive imaging telescope having nonlinear sensing means for detecting an optical beam received thereby. The system comprises a phase shifter, positioned at the aperture of the telescope, responsive to the optical beam. This system also includes a nonlinear image quality sensor, optically coupled to the phase shifter, comprisinng a photodetector plate responsive to the optical beam for converting the optical beam into an electrical signal. Analog circuits are provided to receive the sensor output and provide a closed-loop return to the phase shifter.

REFERENCES:
patent: 3594660 (1971-07-01), Huggett
patent: 3705758 (1972-12-01), Haskall
patent: 3713042 (1973-01-01), Kinsel
patent: 3731103 (1973-05-01), O'Meara
patent: 3783269 (1974-01-01), McConnell
patent: 3846628 (1974-11-01), Towne

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