Demagnetization compensated deformable magnetostrictive mirror

Details Demagnetization compensated deformable magnetostrictive mirror Demagnetization compensated deformable magnetostrictive mirror

1985-08-05

1987-04-07

Petrakes, John

350360, 350607, 350629, 350632, G02B 718, G02B 510

Patent

active

046555609

ABSTRACT:
A demagnetization compensated deformable magnetostrictive mirror comprises an array of magnetostrictive actuators that are positioned between a continuous low magnetic reluctance yoke. A faceplate having a reflective surface and a substrate are both fabricated to receive the magnetic yoke's outer surface and are affixed thereto to be approximately perpendicular to the mirror's deformation axis.

REFERENCES:
patent: 3514776 (1970-05-01), Mulready
patent: 3827782 (1974-08-01), Boudouris et al.
patent: 3966308 (1976-06-01), Nilson
patent: 4196972 (1980-04-01), Rawlings
patent: 4202605 (1980-05-01), Heinz
patent: 4266857 (1981-05-01), Svenson
patent: 4588268 (1986-05-01), Aldrich

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