Radiant energy – Photocells; circuits and apparatus – Photocell controls its own optical systems
Patent
1992-05-29
1993-01-12
Nelms, David C.
Radiant energy
Photocells; circuits and apparatus
Photocell controls its own optical systems
3561245, 382 43, G01M 1100
Patent
active
051792737
ABSTRACT:
A method for testing or controlling a performance of an adaptive optic. The method includes the steps of generating from the adaptive optic an augmented matrix comprising a local wavefront difference-error sensitivity matrix; and, a local optical quality factor sensitivity matrix; interrogating the adaptive optic by preferentially turning on selected laser sources which are directed into an entrance pupil of the adaptive optic, for recording a resultant diffraction pattern at an imaging plane; taking a Fourier transform of the resultant diffraction pattern, for generating magnitude and phase component at selected pupil positions; laser scanning the entrance pupil of the adaptive optic, for generating up to N samples of magnitude and phase components, thereby forming an observation vector; and solving for a force vector, for applying the force vector to the adaptive optic.
REFERENCES:
patent: 4582427 (1986-04-01), Hutchin
patent: 4772120 (1988-09-01), Pointeau
patent: 4804269 (1989-02-01), Elterman
patent: 5126550 (1992-06-01), Lisson et al.
Genberg Victor L.
Lisson Jerold B.
Eastman Kodak Company
Kaufman Stephen C.
Lee John R.
Nelms David C.
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