Optical modulation device with deformable cells
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United States of America Patent
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Jul 29, 1997
Grant Date -
N/A
app pub date -
May 2, 1994
filing date -
Oct 30, 1991
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Modulation mirrors including the deformable cells (CD1 to CDn) locally modified the planarity of a reflecting surface 18. The deformable cells deform under the effect of a voltage and the control of these deformable cells is such that a control voltage V.sub.c is applied between a first and a second electrode 17, 26. A photoconductor element P1 to Pn is inserted between the second electrode 26 and the deformable cell (CD1 to CDn). A light beam (MF1 to MFn) illuminates the photoconductor element in order to obtain an elongation of the deformable cell.
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