Optical: systems and elements – Deflection using a moving element – Using a periodically moving element
Patent
1995-09-28
1997-11-04
Dzierzynski, Paul M.
Optical: systems and elements
Deflection using a moving element
Using a periodically moving element
359223, 359225, 359872, 335216, 505166, G02B 2608, H01F 100, H01L 3912
Patent
active
056846169
ABSTRACT:
A moving mirror apparatus for scanning a light beam, such apparatus having a mirror associated with a support member able to be repulsed by a superconductor, the mirror/support member being suspended above a superconductive material with a plurality of field coils positioned around the periphery of the support member, each of the field coils being independently operable to attract the support member to cause quick, frictionless movement of the mirror to reflect the light beam to different positions, depending upon which of the field coils is activated, by attraction of the support member to the activated field coil overcoming the repulsion of the superconductive material. The apparatus can be contained within a transparent vacuum chamber in certain embodiments and can in other embodiments have independent beam movement in conjunction with the reflection of the beam by the mirror.
REFERENCES:
patent: 4892863 (1990-01-01), Agarwala
patent: 5099216 (1992-03-01), Pelrine
patent: 5559384 (1996-09-01), Boland et al.
Dzierzynski Paul M.
Nitkin William
Schuberg Darren E.
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