Device to control laser spot size

Details Device to control laser spot size Device to control laser spot size

2005-07-05

2005-07-05

Le, Que T. (Department: 2878)

Radiant energy

Photocells; circuits and apparatus

Optical or pre-photocell system

C250S201400

Reexamination Certificate

active

06914232

ABSTRACT:
A fixed size laser beam spot is used to illuminate a solar array. The beam spot size is kept constant even though the distance to the solar array may vary by a factor of 100. The focal point of the mirror emitting the beam to the array is shifted to maintain a desired beam waist so the same spot size is incident on the array. Attached to the array is a centering device to direct the beam spot to be centered on the array.

REFERENCES:
patent: 4141652 (1979-02-01), Feinleib

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