Holographic adaptive optic system

Details Holographic adaptive optic system Holographic adaptive optic system

2007-07-02

2009-02-24

Pyo, Kevin (Department: 2878)

Radiant energy

Photocells; circuits and apparatus

Photocell controls its own optical systems

C356S512000, C356S521000, C359S016000

Reexamination Certificate

active

07495200

ABSTRACT:
A holographic adaptive optic system for correcting the wavefront of a light. A phase correction device with a plurality of pixels in the path of the light. A holographic wavefront sensor in the path providing a pair of reconstruction beams for each phase correction device pixel. The relative intensity of the two beams being proportional to the amount of aberration present in the initial beam. A detector that measures the relative intensity of the pair of reconstructed beams. The detector connected by at least one individual control connector to the relevant pixel in the phase correction device. The individual control connectors controlling the phase correction device based upon the relative intensity between the two reconstruction beams to reduce the wavefront aberration.

REFERENCES:
patent: 5410397 (1995-04-01), Toeppen
patent: 7268937 (2007-09-01), Andersen et al.

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