Micromirror optical multiplexer and method for directing light towards an array of sensors
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United States of America Patent
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Nov 4, 2003
Grant Date -
May 22, 2003
app pub date -
Nov 21, 2001
filing date -
Nov 21, 2001
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The present invention is directed to a micromirror optical multiplexer for directing light to an array of sensors. The micromirror optical multiplexer directs light from one or more sources onto multiple, coplanar sensors for the purpose of exciting fluorescence. The micromirror optical multiplexer includes at least one light source and a micromirror array having a top face and up to four side faces. Pivotable mirrors of the micromirror array are arranged in a multiple row, multiple column format on the top face. In addition, each of the side faces of the micromirror array has at least one row of pivotable mirrors. By pivoting one side face mirror and one top face mirror, a light source entering at one corner of the micromirror array can be directed to exit near normal incidence anywhere on the bottom of the device.
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