Modulating the intensity of light from an interferometric reflector
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United States of America Patent
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Feb 14, 2012
Grant Date -
Aug 7, 2008
app pub date -
Jul 11, 2007
filing date -
Feb 1, 2007
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An optical device for modulating the intensity of light from an interferometric reflector. In one embodiment, the optical device can include an optical stack having a reflective layer and a partially reflective, partially transmissive layer for reflecting light. The optical device can also include a fluid cell comprising an absorptive fluid and a transmissive fluid. The optical device can also include a mechanism for controlling the portion of the reflector which is shadowed by the absorptive fluid.
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