Use of magnetofluidics in component alignment and jitter compensation
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United States of America Patent
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Issued Date -
Apr 13, 2006
app pub date -
Sep 1, 2005
filing date -
Oct 8, 2004
priority date (Note) -
Abandoned
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Abstract
An optical system includes an optical component mounted relative to a housing; a fluid in contact with the housing; sources generating a magnetic field in the fluid; and a controller controlling the optical component position to maintain optical parameters of the system. The optical component is suspended using the fluid. Alternatively, a body is suspended in the fluid and a rod is connected between the body and the optical component. Sensors detect magnetic field changes in response to movement of the optical component. A method of controlling the position of an optical component includes suspending the optical component using a fluid; generating a magnetic field within the fluid; sensing magnetic field changes in response to movement of the optical component; and modulating the magnetic field to control the optical component position based on the sensed changes. Movement such as linear displacement along three axes and/or rotation about three axes can be controlled to provide up to six degrees of freedom.
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